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	<title>Reference Education Center &#124; At4schools.org &#187; Environmental</title>
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	<link>http://at4schools.org</link>
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		<title>Sulfites</title>
		<link>http://at4schools.org/sulfites/</link>
		<comments>http://at4schools.org/sulfites/#comments</comments>
		<pubDate>Sun, 29 Apr 2012 22:04:25 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Environmental]]></category>
		<category><![CDATA[allergy symptom]]></category>
		<category><![CDATA[reaction to sulfites]]></category>
		<category><![CDATA[sulfite allergy]]></category>
		<category><![CDATA[sulfites]]></category>

		<guid isPermaLink="false">http://at4schools.org/?p=1629</guid>
		<description><![CDATA[Sulfites have been used for more than two thousand years, mostly as a preservative in both drinks and food. They are also used to sanitize fruit, such as wine grapes or food found in salad bars. Sulfites can bleach foods as well, as with potatoes and corn. About 1 in 100 people have sensitivities to [...]<p><a href="http://at4schools.org/sulfites/">Sulfites</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
]]></description>
			<content:encoded><![CDATA[<p>Sulfites have been used for more than two thousand years, mostly as a preservative in both drinks and food. They are also used to sanitize fruit, such as wine grapes or food found in salad bars. Sulfites can bleach foods as well, as with potatoes and corn.</p>
<p>About 1 in 100 people have sensitivities to sulfites. And among these people, about five percent are clinically allergic to sulfites. As a result, the FDA has even required a sulfite warning to be placed on wine bottles containing sulfites.</p>
<p>How do you know if you are sensitive or allergic to sulfites? Signs can include headaches, rashes, cramps and lightheadedness. Serious reactions to sulfites are possible, including a life threatening anaphylactic reaction.</p>
<p>Interestingly, those with asthma, liver problems or other allergies are most susceptible to sulfite reactions. But anyone can be affected by ingesting sulfites.</p>
<p>Sulfites are found virtually everywhere today. But there are things you can do to avoid sulfites. Most importantly, if you are allergic, do not eat in restaurants or places where food is prepared for you. Never eat food from a salad bar, which is probably the most common source of sulfite containing foods. Additionally, be sure you have your Epi-pen with you at all times.<br />
<span id="more-1629"></span><br />
When you cook at home, prepare your meals with organic foods. Stay away from processed and canned foods. Do not eat dried fruits, and remember that alcoholic beverages probably contain sulfites. And finally, ask your doctor or pharmacist if your vitamins or medications have been preserved with sulfites.</p>
<p>If you experience a mild reaction to sulfites, drink lots of water. You may also reduce your symptoms by taking Pepsid AC. Benadryl may give you relief as well.</p>
<p>If you believe you are allergic to sulfites, make an appointment with your physician to be tested, and immediately begin to avoid sulfites.</p>
<p><a href="http://at4schools.org/sulfites/">Sulfites</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
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		<title>Student-Teacher Relations</title>
		<link>http://at4schools.org/student-teacher-relations/</link>
		<comments>http://at4schools.org/student-teacher-relations/#comments</comments>
		<pubDate>Mon, 09 Apr 2012 23:23:38 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Environmental]]></category>
		<category><![CDATA[postgraduate]]></category>
		<category><![CDATA[Psychology]]></category>

		<guid isPermaLink="false">http://at4schools.org/?p=1609</guid>
		<description><![CDATA[Studying process is not easy. Ask any student and the answer will be pretty much the same. It is not easy to cope with all the tasks and assignments given at the university on time, therefore there is no free time left. The absence of rest results into over exhaustion which prevents you from getting [...]<p><a href="http://at4schools.org/student-teacher-relations/">Student-Teacher Relations</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
]]></description>
			<content:encoded><![CDATA[<p>Studying process is not easy. Ask any student and the answer will be pretty much the same. It is not easy to cope with all the tasks and assignments given at the university on time, therefore there is no free time left. The absence of rest results into over exhaustion which prevents you from getting the most out of your studies. Constant depressions or just feeling low is quite familiar to students. It has nothing to do with the teenage period, its all over and gone, when you are a college student. The cause is the atmosphere around you and the studying process. Lets try to get deeper into this problem.</p>
<p>To study well, you have to be hard working, industrious, curious and longing for knowledge, but there will be no result without established stable good cooperation between students and teachers, tutors or professors. The misunderstanding between the two may result into complete rejection of any matter expressed by the tutor from students side and complete carelessness about the interest of the auditorium. Even being a postgraduate student, one may experience cold and unconcerned guidance of the advisor while writing a thesis paper. To be successful in the future, one must resolve this problem and try to establish a fine solution. According to psychology the cause of misunderstanding with others has to be searched for in oneself. Certainly, it is not easy to convince yourself that your behavior is not proper, but something has to be done about it. You are ambitious and willing to develop and grow and you are ready to do anything to reach success. Without noticing it, you may provoke your advisor or hurt his feelings. Your genuine dissatisfaction when your thesis proposal is rejected is quite understandable. So why dont you seek the reason not in your thesis but in your manner of behavior in your tutors presence.<br />
<span id="more-1609"></span><br />
Here are some clues that will help you to define what was done wrong. To communicate easily you have to understand that a person you talk to has his own ambitions and thoughts. Expressing your idea plainly, not considering the evidence given by your advisor will show disrespect to the scientist that is more experienced in the field than you are. Choose words and ways when speaking to your tutor. It is quite obvious that you are intelligent; if there is a disagreement, its sometimes better to retreat than to get involved into a heated argument. If you show that you have ignored his lectures or never looked through his manual, you will be treated carelessly. Try to make an impression of a diligent, intelligent, interesting person with sense of humor and longing for success. Every scholar is pleased to hear that his work is appreciated, so try to make a compliment on what hes accomplished. But if there is no particular reason for your being disregarded, inform about it. Your advisors task is to guide you through the process and propose assistance if necessary. There will be no successful cooperation if you dont feel comfortable with each other. Your thesis is the first step towards bright career and you have to do your utmost to complete it duly. Guidance provided is very important, so if there are any misunderstandings, try to improve the situation and continue cooperation on friendly terms.</p>
<p><a href="http://at4schools.org/student-teacher-relations/">Student-Teacher Relations</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
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		<title>Stick to your nature, future is yours</title>
		<link>http://at4schools.org/stick-to-your-nature-future-is-yours/</link>
		<comments>http://at4schools.org/stick-to-your-nature-future-is-yours/#comments</comments>
		<pubDate>Mon, 26 Mar 2012 03:24:39 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Environmental]]></category>
		<category><![CDATA[future is yours]]></category>
		<category><![CDATA[Stick to your nature]]></category>

		<guid isPermaLink="false">http://at4schools.org/?p=1585</guid>
		<description><![CDATA[Nature had given us a nice and virgin universe to live, but man has made it polluted in the name of development. Do all developments need to disturbed the natural equilibrium? This story on newly created hilly state Uttranchal is an effort to see development through environment. The Uttranchal was carved out of Uttar Pradesh [...]<p><a href="http://at4schools.org/stick-to-your-nature-future-is-yours/">Stick to your nature, future is yours</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
]]></description>
			<content:encoded><![CDATA[<p>Nature had given us a nice and virgin universe to live, but man has made it polluted in the name of development. Do all developments need to disturbed the natural equilibrium? This story on newly created hilly state Uttranchal is an effort to see development through environment. The Uttranchal was carved out of Uttar Pradesh on 9 November 2000 as the 27th state of the Indian Union. It consists of 13 districts, viz., Pauri Garhwal, Tehri, Uttarkashi, Chamoli, Dehradun, Rudrprayag of Garhwal division; Nainital, Almora, Pithoragarh, Udhamsingh Nagar, Bageshwar, Champawat of Kumaon division and Hardwar of Saharan division. All the thirteen districts could be re-grouped into three categories,<br />
The high mountain region: major portion of Uttarkashi, Champawat, Pithoragarh, Chamoli and Rudrprayag.<br />
Mid-mountain region: major areas in Pauri Garhwal, Tehri, Almora, Bageshwar districts) and Doon.<br />
Terai region lower foothills: plains of Dehradun, Nainital and Udhamsingh Nagar and Hardwar districts).Following are the natural resources of this hilly land.<br />
Population:</p>
<p>Persons 8,479,562 Decadal Growth 1991 &#8211; 2001:<br />
Males 4,316,401 Persons: (+) 19.20 %<br />
Females 4,163,161 Males : (+) 17.47 %<br />
Females: (+) 21.06 %<br />
Sex Ratio: 964<br />
Population (0 &#8211; 6 years):<br />
Decadal Growth 1991 &#8211; 2001:<br />
Persons 1,319,393 Persons : 15.56 %<br />
Males 692,272 Males : 16.04 %<br />
Females 627,121 Females : 15.06 %</p>
<p>Sex Ratio: 906</p>
<p>Total Geographical information</p>
<p>Total area: 51,125 km</p>
<p>1. Hill Area : 92.57%<br />
2. Plain Area : 7.43%<br />
3. Area Covered By Forest: 63%<br />
3. Longitude 77 34&#8242; 27&#8243; East to 81 02&#8242; 22&#8243; E<br />
4. Latitude 28 53&#8242; 24&#8243; North to 31 27&#8242; 50&#8243; N<br />
5. Male : % 51.91<br />
6. Female : % 48.81<br />
7. Rural Population : 76.90 %<br />
8. Urban Population : 23.10 %<br />
9. Literacy Rate : 65%<br />
10 .Villages : 15620<br />
11. Cities and Urban Areas: 81<br />
Wild resources<br />
(I) Tiger 2003 245<br />
(ii) Leopard 2003 2090<br />
(iii) Elephant 2002 1582<br />
(iv) Chital 2001 35000<br />
(v) Musk Dear 2001 160<br />
(vi) Himalayan Black Bear 2001 375</p>
<p>Major Peaks (height in m above sea level)</p>
<p>Gauri Parvat (6590)<br />
Gangotri (6614)<br />
Panch Chhuli (6910)<br />
Nanda Devi (7816)<br />
Nanda Kot (6861,<br />
Kamet (7756)<br />
Badrinath (7140)<br />
Trishul (7120)<br />
Chaukhamba (7138)<br />
Dunagiri (7066)</p>
<p>Major Passes<br />
Mana (5450)<br />
Nitipass (5070)<br />
Lipulekh (5122)<br />
LumpiaDhura (5650<br />
Water resources<br />
1. The Ganga&amp; its tributaries.<br />
2. The Yamuna its tributaries.<br />
District Wise Distribution of Population:<br />
Distt Total Population Rural population Urban Population % of urban population<br />
Almora 6,30,446 5,76,497 53,949 8.5<br />
Bageshwar 2,49,453 2,41,650 7,803 3.1<br />
Nanital 7,62,912 4,93,126 2,69,786 35.3<br />
U.S. Nagar 12,34,548 8,31,407 4,03,141 32.6<br />
Pithoragarh 4,62,149 4,06,025 56,124 12.1<br />
Champawat 2,24,461 1,91,727 32,734 17.0<br />
Uttarkashi 2,94,179 2,71,255 22,924 7.8<br />
Chamoli 3,69,198 3,19,613 49,585 13.4<br />
Rudrprayag 2,27,461 2,24,740 2,721 1.1<br />
Tehri 6,04,608 5,46,133 58,475 9.6<br />
Dehra Dun 12,79,083 6,01,965 6,77,118 52.9<br />
Pauri 6,96,851 6,06,629 90,222 13.0<br />
Haridwar 14,44,213 9,98,550 4,45,663 30.8<br />
Source: Directorate of Planning<br />
All above information about state natural resources clearly indicating towards natures supported environment in all sphere of life in Uttranchal. It was the part of one of largest Indian state Uttar Pradesh in that era it could not get its share in development as its deserved because than political power houses were in plains. But injustice done in past with this hilly land popularly called dev bhomi could be its future, unexplored hydro capacity, hydro-power &amp;virgin pollution free environment, which will be the future high demands commodities in our world. The state has hydro initials of two Major Rivers of nation namely Ganges (Gangotri) and Yamuna (Yamunotri), which are being joined by their tributaries all across the state making this mountainous land, high rich in hydrological resources. In hydro power, it has potential to 15000 Mega watts out of this only 1248MW is explored to date. Pollution level in cities&amp; towns are on high ends in all across the nation, people in future will find difficulty to get pollution free environment around them. Then virgin Uttranchal will be solace place for pollutions hunted people of nation. To achieve that status in coming era Uttranchal needs followings.<br />
1. Controlled population. As population table shows that 46.69%of Uttranchalis lived in three terrain districts: Haridwar, Dehradun &amp;Uddam Singh nagar, which amounted 16.6% of total area of state. So development to all but little disturbance in natural harmony should be basis of state policies planners.<br />
2. Special industrials zones. It will limit the pollution prone area in state.<span id="more-1585"></span><br />
3. Multi levels mini environment friendly hydro power projects. To use threshold level of every natural water resources in the state.<br />
4. Preservation of forests.<br />
5. Keep rivers pollution free. This should be the main agendas of uttranchal for future status in water austerities world.<br />
Uttranchal needs only stick to its rich environmental heritage and try to make all around development keeping coordination with nature, not running after urban centric &amp; blind folded industrialization. The nature has created this holly land to serve special role in future polluted situations.<br />
Ms.Prabha<br />
Senior correspondent<br />
abcnewsnetwork.com<br />
e-mail:prabhaabcnews@yahoo.co.in</p>
<p><a href="http://at4schools.org/stick-to-your-nature-future-is-yours/">Stick to your nature, future is yours</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
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		<title>Starting A School Recycling Program</title>
		<link>http://at4schools.org/starting-a-school-recycling-program/</link>
		<comments>http://at4schools.org/starting-a-school-recycling-program/#comments</comments>
		<pubDate>Sat, 10 Mar 2012 22:01:24 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Environmental]]></category>
		<category><![CDATA[Starting A School Recycling Program]]></category>

		<guid isPermaLink="false">http://at4schools.org/?p=1568</guid>
		<description><![CDATA[Teachers, parents and students have found a way to say goodbye to homework (at least to old homework): They recycle it. In fact, students have helped to contribute to a new record in paper recycling. In 2005, 51.5 percent of paper used in the U.S.-51.3 million tons-was recovered for recycling. To start a school recycling [...]<p><a href="http://at4schools.org/starting-a-school-recycling-program/">Starting A School Recycling Program</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
]]></description>
			<content:encoded><![CDATA[<p>Teachers, parents and students have found a way to say goodbye to homework (at least to old homework): They recycle it.</p>
<p>In fact, students have helped to contribute to a new record in paper recycling. In 2005, 51.5 percent of paper used in the U.S.-51.3 million tons-was recovered for recycling.</p>
<p>To start a school recycling program, try these tips from the American Forest &amp; Paper Association (AF&amp;PA) and Keep America Beautiful (KAB). The groups provide training and a variety of resources to help educators teach students about recycling. Together, they have helped to start school paper recycling programs across the U.S.</p>
<p>Recycling 101</p>
<p> Determine the amount and types of recyclable material in your school, and how to collect and separate it. Enlist the support of school administrators and staff, and appoint a coordinator and support team. Make sure to involve a student leader.</p>
<p> Hold a kickoff event to start your recycling program and involve as many students as possible. Use the event to educate teachers, students and staff about the importance of recycling. Hold contests and offer small incentives to keep students interested.</p>
<p> Work with a recycling company to gather materials and collect monthly results for your program.<br />
<span id="more-1568"></span><br />
Students Making A Difference</p>
<p>School recycling programs can have big environmental and educational benefits. Programs such as the AF&amp;PA Recycling Awards and KAB outreach efforts can help.</p>
<p>The AF&amp;PA Recycling Awards recognize outstanding individual, school, business and community recycling efforts. KAB has raised awareness for the program, and also has tools and resources available to help implement school recycling programs.</p>
<p>Join both organizations in supporting increased paper recovery efforts in your school and community.</p>
<p><a href="http://at4schools.org/starting-a-school-recycling-program/">Starting A School Recycling Program</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
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		<title>Solar vs. Oil</title>
		<link>http://at4schools.org/solar-vs-oil/</link>
		<comments>http://at4schools.org/solar-vs-oil/#comments</comments>
		<pubDate>Sat, 25 Feb 2012 17:23:16 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Environmental]]></category>
		<category><![CDATA[fossil fuels]]></category>
		<category><![CDATA[global warming]]></category>
		<category><![CDATA[nano technology]]></category>
		<category><![CDATA[Nanotechnology]]></category>
		<category><![CDATA[oil]]></category>
		<category><![CDATA[pollution]]></category>
		<category><![CDATA[solar]]></category>
		<category><![CDATA[technology]]></category>

		<guid isPermaLink="false">http://at4schools.org/?p=1547</guid>
		<description><![CDATA[Solar power has long been a minor power source compared to mighty oil. As oil prices rise and conflicts occur in oil countries, perhaps the issue needs to be revisited. Solar vs. Oil The industrial revolution was built on the back of oil and coal. There is no denying that solar played no part whatsoever. [...]<p><a href="http://at4schools.org/solar-vs-oil/">Solar vs. Oil</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
]]></description>
			<content:encoded><![CDATA[<p>Solar power has long been a minor power source compared to mighty oil. As oil prices rise and conflicts occur in oil countries, perhaps the issue needs to be revisited.</p>
<p>Solar vs. Oil</p>
<p>The industrial revolution was built on the back of oil and coal. There is no denying that solar played no part whatsoever. This is particularly true since solar cells were not invented until the 1950s! That being said, it appears indisputable that we have reached or are approaching a new debate about how we deal with our insatiable thirst for power.</p>
<p>At first glance, the mere mention of a comparison of solar to oil as an energy source sounds laughable. It is laughable when we are talking about large scale energy production, but the tide is turning.</p>
<p>In a comparison of solar to oil, solar power has numerous advantages. The power source for solar, the sun, is free. Solar is available as a resource in every country, regardless of location, economic strength and so on since the sun shines everywhere. The process of converting sunlight into electricity or heating produces no greenhouse gases. Whether you believe in global warming or not, solar still is advantageous in that it doesnt produce pollution. If you live in a big city, you know how much pollution is in the air. You can often see it!</p>
<p>Flipping the coin, oil has some serious advantages over solar. We have already developed technology to efficiently convert oil to power. The cost of converting industry, vehicles and such to solar or any other power source would be huge. Oil also has an advantage in that it is easier to use in a wide variety of applications, such as vehicles. One simply cant power a vehicle with solar power, not on a practical level. Finally, it is easier to use oil to provide power to massive energy platforms, such as electricity for New York City.<br />
<span id="more-1547"></span><br />
For large scale energy needs, oil is still a superior choice to solar as an energy resource. The technology simply does not exist to provide solar energy solutions for vehicles, national electrical grid systems and so on. Advancements in solar technology, however, may be changing this fact in the very near future. Technologies such as quantum dots, essentially microscopic solar panels that could exist in the paint on your home, may make oil a thing of the past.</p>
<p>For now, oil remains the backbone upon which our energy needs sit. In the next 5, 10 or 20 years, however, new technological applications may change this. Dont believe me? Then consider the fact oil companies such as Chevron are investing heavily in solar companies.</p>
<p><a href="http://at4schools.org/solar-vs-oil/">Solar vs. Oil</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
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		<title>Solar Power- How Does It Save The Environment</title>
		<link>http://at4schools.org/solar-power-how-does-it-save-the-environment/</link>
		<comments>http://at4schools.org/solar-power-how-does-it-save-the-environment/#comments</comments>
		<pubDate>Fri, 10 Feb 2012 21:10:38 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Environmental]]></category>
		<category><![CDATA[solar power greenhouse gases carbon footprint]]></category>

		<guid isPermaLink="false">http://at4schools.org/?p=1524</guid>
		<description><![CDATA[You&#8217;ve probably heard a lot about solar energy and how efficient it is. Moreover, over the last few years, there have been several moves to see how effectively we can use solar power in an attempt to alleviate the energy crisis that the world faces. So, how does using solar energy fit into the bigger [...]<p><a href="http://at4schools.org/solar-power-how-does-it-save-the-environment/">Solar Power- How Does It Save The Environment</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
]]></description>
			<content:encoded><![CDATA[<p>You&#8217;ve probably heard a lot about solar energy and how efficient it is. Moreover, over the last few years, there have been several moves to see how effectively we can use solar power in an attempt to alleviate the energy crisis that the world faces. So, how does using solar energy fit into the bigger picture of protecting our environment? The point is that even small changes in the way we do things go a long way in terms of saving our environment.</p>
<p>Solar energy is a renewable energy source<br />
The sun offers us a great source of renewable energy; it&#8217;s been around for over four billion years and is likely to stay around for another five billion years, during its life it will supply us with a steady stream of energy. So, apart from the obvious fact of solar energy is in abundance, people who are environmentally conscious find that using solar energy is an excellent way to help protect the environment.<br />
But what makes solar energy an attractive option is the fact that unlike polluting fossil fuels, its availability is not governed by the oil industry, an industry that is riddled with capitalistic individuals, and influenced heavily by several geographic and political factors that invariably affect the supply.<br />
Solar Energy on the other hand is a clean environmentally friendly energy resource and a very viable alternative to existing fossil fuels that pollute our lands, water and air, threaten our health, and contribute substantially to global warming.</p>
<p>Solar energy transformed into thermal (or heat) energy can be used to:<br />
* Cook food  Using Solar Cookers<br />
* Heat water  in Houses, Office Buildings, or Swimming Pools.<br />
* Heat closed spaces  a Greenhouse, a House or even other Buildings.</p>
<p>Solar energy can also be converted to electricity by using:<br />
* Photovoltaic devices or &#8220;solar cells&#8221; that transforms sunlight into electricity. These systems are often used in areas with no regular electricity supply. Some common devices that are sometimes powered by these solar cells include, street lights, road signs and some gadgets like watches and even calculators.<br />
* Solar Power Plants are electricity generating plants that use thermal energy obtained from the suns radiation to super heat liquids that in turn become steam and rotate the turbines of a generator to generate electricity.</p>
<p>How can solar power rescue the environment?<br />
For starters, switching over to solar power would help cut back our dependence on organic fuels. This in itself is a huge saving, reduced hydrocarbons and emissions in the air, mean fresh cleaner air. Some ripple down effects would be, controlling the global warming, less acid rain, no smog the list can go on and on, however, let me elaborate some of the better know environmental benefits.<br />
Decrease air pollution</p>
<p>The most commonly obvious benefit is the fact that by using solar energy we are able to reduce the levels of pollution. As we reduce the amount of fossil fuels being burnt and switch over instead to solar power from our needs there is a corresponding decrease in the amount of pollution produced. Solar electrification in some rural areas also decreases the dependence of the electricity grid and generators that run on petrol or diesel.</p>
<p>Offsets greenhouse gases<br />
Solar Cell (PV systems) generates electricity with absolutely no carbon dioxide (CO2) emission. This in turn plays a significant step in reducing the overall greenhouse effect that we face. Apparently studies show that approximately six tons of carbon emissions are offset through the use of a single Solar cell over a period of twenty five years.<br />
Conserve energy</p>
<p>The world over, and especially the third world countries have begun to embrace the conservation and use of solar electricity through several conservations programs to help conserve power for urban areas, city lighting as well as commercial and industrial needs. While solar plants and other forms of decentralised solar generated energy is used to serve the basic power consumption needs in the majority of the developing areas.</p>
<p>Reduces discarding dry cell batteries<br />
People in several countries around the world rely heavily on the use of small dry-cell batteries for various gadgets, like flashlights and radios. These batteries are primarily composed of lead acid and sometimes other materials that can be toxic to us. When the battery is improperly disposed off, they start leaking; toxic chemical contents seep into the surroundings and contaminate the soil, water or air around it. By switching over to the use of solar energy the dependence on dry cells batteries reduces drastically and consequently all issues associated with its disposal.<br />
<span id="more-1524"></span><br />
Low cost energy alternative<br />
Using solar energy at home substantially reduces the need for dependence on electricity or gas. Solar panels placed on your roof top collect the solar energy and store them away in batteries for later use. This power can be used to power up lights around the house in the evenings or when it is dark. Solar thermal converts can be used to heat water that or even your home again offering substantial savings on those fronts. Solar cooking ovens could be used during the day for baking and cooking meals.</p>
<p>The use of &#8220;Solar Energy&#8221;, a fresh, clean, free and abundant source of renewable energy will over the course of time reduce our dependence on other sources of energy that arent as helpful to our environment. If you want to make a difference to the world you live in, this is a wonderful place to start.</p>
<p><a href="http://at4schools.org/solar-power-how-does-it-save-the-environment/">Solar Power- How Does It Save The Environment</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
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		<title>Solar Power: Being Environment Friendly</title>
		<link>http://at4schools.org/solar-power-being-environment-friendly/</link>
		<comments>http://at4schools.org/solar-power-being-environment-friendly/#comments</comments>
		<pubDate>Wed, 25 Jan 2012 02:34:48 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Environmental]]></category>
		<category><![CDATA[solar panels]]></category>
		<category><![CDATA[Solar Power]]></category>

		<guid isPermaLink="false">http://at4schools.org/?p=1508</guid>
		<description><![CDATA[The issue of global warming is gaining wide acceptance with more and more countries making the endeavor to delay the catastrophic effects of this phenomenon. Today, scientists and environmentalists are offering people, across the world, alternatives that can be used in their everyday life. Using solar power or the power of the suns heat is [...]<p><a href="http://at4schools.org/solar-power-being-environment-friendly/">Solar Power: Being Environment Friendly</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
]]></description>
			<content:encoded><![CDATA[<p>The issue of global warming is gaining wide acceptance with more and more countries making the endeavor to delay the catastrophic effects of this phenomenon. Today, scientists and environmentalists are offering people, across the world, alternatives that can be used in their everyday life.</p>
<p>Using solar power or the power of the suns heat is one such attempt. Solar energy is considered to be one of the most powerful forms of all energies on earth. It is derived from the sun, which has been producing energy for billions of years. Solar energy reaches the earth in the form of solar radiation and is converted directly or indirectly into various forms of energy like electricity and heat.</p>
<p>In spite of it being one of the primary sources of energy, solar energy has some drawbacks. They are:</p>
<p>1. The irregular and variable manner of its reaching the earth&#8217;s surface<br />
2. There is a need for a large area to collect it</p>
<p>Solar energy can be used for multiple purposes from heating water for use at homes to drying agricultural products and even generating electrical energy.</p>
<p>Trivia: British astronomer John Herschel used a solar collector box on his expedition to Africa to cook food in the 1830s.<br />
Some of the advantages of using solar power or energy are:</p>
<p>* Solar power is a renewable resource and it will take another billion years for the sun to disintegrate if ever it does. As a result, solar energy will be able to provide us with enough power to carry day-to-day operations like electricity for homes, cooking etc and can be used for commercial applications as well.</p>
<p>* One of the biggest advantages is that solar power is non-polluting. As compared to any other energy resource like oil or coal, solar power will not emit greenhouse gases into the air and hence is considered environmentally friendly.</p>
<p>* Solar power is for free. As compared to oil or coal, which you have to buy, using solar power will cost you much less or almost zero in the long run. Initially you might have to invest a little on the solar panels or cells. The maintenance of solar cells or panels is zero. Apart from this, the life of the solar cells is much longer and comes with a lifetime warranty. You can use solar cells to heat water or even drive a car. The solar cells can convert light into electricity and are often known as photo-voltaic cells.</p>
<p>But today, things are different and the situation at hand is grim. You can use solar energy for various purposes. Some of the uses of solar energy by organizations and individuals are as follows:</p>
<p>1. Companies are trying to implement photo-voltaics in electric utilities. Photovoltaic is a process through which solar energy can be converted into electricity directly.</p>
<p>2. Electricity can also be produced directly from steam generators using solar thermal collectors that can heat working fluid.</p>
<p>3. There are many companies globally who have started to implement Solar PV modules, which can easily be retrofitted into existing roofs. Solar PV modules can be connected to a buildings grid supply for generating electricity, which can be used by offices on the premises.</p>
<p>Photovoltaic Energy<br />
Photovoltaic energy can convert sunlight into electricity by using photovoltaic (PVs) cells. These cells are commonly known as solar cells. Photovoltaic cells are non-mechanical devices that are made primarily from silicon alloys.</p>
<p>Sunlight is basically composed of millions of different particles of solar energy also known as photons. Each photon contains a different degree of energy that corresponds to different wavelengths within the solar spectrum.</p>
<p>When a photon strikes a photovoltaic cell, they will either get absorbed, reflected, or pass right through. The photons which get absorbed can provide enough energy to generate electricity. When the required amount of energy gets absorbed by a semiconductor, then the electrons get dislodged from their material atoms.<br />
<span id="more-1508"></span><br />
Photovoltaic cells are being increasingly used in driving solar powered products. Here are some of them:</p>
<p>Solar chargers<br />
* These chargers can charge some of the most powerful electronic devices like mp3 players, cell phones and digital cameras.<br />
* Some of the top companies of the world use them for their electronic devices like Nokia, Motorola, Samsung, Sony Ericsson, and Palm/Treo.<br />
* These chargers consist of folding solar panels of different outputs like 6.5 watt, 12 watt and 25 watt.<br />
* They are made with high efficiency solar cells that are compact and light in weight.<br />
* These chargers powered with solar cells can recharge lanterns, flash lights, cell phones, satellite phones, GPS units, MP3 players and many others.</p>
<p>Solar Modules<br />
* The solar modules are mostly he mono-crystalline silicon and are composed of composed of solar cells that have an average conversion efficiency of 15% or more and comes with solar glass and Tedlar (TPT) back sheet and EVA sheet compounded from fluoric-plastic and dacron.</p>
<p>Solar Power Radio &amp; Crank Flashlight<br />
* Multi-function solar radio features and can work on MW/FM/SW1/SW2 MW: 530-1600KHZ/FM: 88-108 MHZ/SW1: 3.8-10 MHZ/SW2: 11-17 MHZ<br />
* The solar radio works on built-in single solar cell</p>
<p><a href="http://at4schools.org/solar-power-being-environment-friendly/">Solar Power: Being Environment Friendly</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
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		<title>Solar Panels May Have Ultimately Arrived At Economic Efficiency</title>
		<link>http://at4schools.org/solar-panels-may-have-ultimately-arrived-at-economic-efficiency/</link>
		<comments>http://at4schools.org/solar-panels-may-have-ultimately-arrived-at-economic-efficiency/#comments</comments>
		<pubDate>Thu, 29 Dec 2011 22:32:46 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Environmental]]></category>
		<category><![CDATA[solar panels]]></category>

		<guid isPermaLink="false">http://at4schools.org/?p=1491</guid>
		<description><![CDATA[The last example of this specific phenomenon was apparent was in the early 70&#8242;s, when there was a crude oil trade embargo and hence, no gasoline. Substitute energies began to pop up here and there with many people jumping on the band wagon. But, gasoline soon returned in plentiful supplies and unconventional energy sources fell [...]<p><a href="http://at4schools.org/solar-panels-may-have-ultimately-arrived-at-economic-efficiency/">Solar Panels May Have Ultimately Arrived At Economic Efficiency</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
]]></description>
			<content:encoded><![CDATA[<p>The last example of this specific phenomenon was apparent was in the early 70&#8242;s, when there was a crude oil trade embargo and hence, no gasoline. Substitute energies began to pop up here and there with many people jumping on the band wagon. But, gasoline soon returned in plentiful supplies and unconventional energy sources fell beneath the average consumers radar screen again. Now, in 2009, the common consumer is seeing petrol prices move higher and found a realization that global warming will be affecting finances soon. Substitute energy is back in the sentiments of the ordinary consumer and, maybe, this time for good.</p>
<p>Where did solar go?</p>
<p>Solar power for the home was a big seller during the energy crisis of the 70&#8242;s. Many houses found tri-pods of solar panels on their roofs gathering what power they could. These units were found mostly in environmentally sensitive Arizona, but soon they were found across the World. Unfortunately, the solar power cell of the 70&#8242;s just wasn&#8217;t all that cost-effective and cost quite a bit to put in and maintain. As fossil fuel returned to the marketplace there was diminutive need for solar cells in a time of flagrant consumption. But the idea of solar energy was a good one and many trailblazers understood that it was a good idea that had yet to find its time. Solar panels never went away; they just slid back into the laboratory to await solar panel 2.0.</p>
<p>Solar is back and ready</p>
<p>Today&#8217;s solar panel is not your father&#8217;s solar panel. Depending upon which type of energy you care to generate, electricity or hot water, todays solar panel has come a very long way in the form of photovoltaic&#8217;s and will go further still. These cells, when combined into panel form, turn the suns rays (so-to-speak) right into power ready for use. They have also become exceedingly efficient, more environmentally sound and less expensive. Todays solar panel will sit almost anywhere and is quickly finding itself being turned into a panel the thickness of a nano particle. Solar power technology is running at extremely fast pace and driving costs down to an affordable level.</p>
<p><span id="more-1491"></span><br />
Who&#8217;s using the panels?</p>
<p>As mentioned, it takes a change in the purse strings to see a marked change in a consumers behavior. With a technology and paradigm shift on the order of solar panels it requires a solid leap forward in panel efficiency, costs of panels , associated elements and an increase in existing costs of fuel. When these factors reach critical mass solar panels start to show up, not at the consumer level, but at the corporate and industrial level. This is simply because business moves its money where the costs-over time-are less. This is just good business. Solar panels are now, as in this past two years, become more cost effective for industry to use then to not use them over time.</p>
<p>Why solar panels now?</p>
<p>Solar panels are now being used primarily because fuel costs are just too high to ignore in favor of a new technology that is worth checking out. Companies have available empty roof space and the choice of trying something on a larger scale to see if it works versus continuing to pay higher fuel bills and environmental costs. The whole concept is extremely self serving. There is no environmental consideration involved. If the company doesnt use solar panels they have to pay fuel costs and air clean-up expenses along with variable fuel charges. They try out the solar panels and see if they work now. If they do, the company can; commit to a full solar panel program with even more efficient solar panels, significantly reduce fuel costs and almost eliminate air cleaning needs along the way. There is little environmental about it. Its just good business. After industry gets rolling, solar panel costs will drop like a stone and the consumer will jump on board becauseit&#8217;s just good business.</p>
<p><a href="http://at4schools.org/solar-panels-may-have-ultimately-arrived-at-economic-efficiency/">Solar Panels May Have Ultimately Arrived At Economic Efficiency</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
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		<title>Solar Panels</title>
		<link>http://at4schools.org/solar-panels/</link>
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		<pubDate>Fri, 02 Dec 2011 23:02:55 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Environmental]]></category>
		<category><![CDATA[solar panels]]></category>

		<guid isPermaLink="false">http://at4schools.org/?p=1472</guid>
		<description><![CDATA[A solar panel is basically a device that enables the collection of and conversion of solar energy into electrical energy or even heat. The Concept of Solar Panels Solar panels are also known as photovoltaic panels and the atoms that are present in these panels are excited by the action of the sun&#8217;s energy. These [...]<p><a href="http://at4schools.org/solar-panels/">Solar Panels</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
]]></description>
			<content:encoded><![CDATA[<p>A solar panel is basically a device that enables the collection of and conversion of solar energy into electrical energy or even heat.</p>
<p>The Concept of Solar Panels</p>
<p>Solar panels are also known as photovoltaic panels and the atoms that are present in these panels are excited by the action of the sun&#8217;s energy. These atoms are present in a silicon layer that lies between two panels known as protector panels.</p>
<p>A formation of electric current takes place as a result of the action of the electrons from the aforementioned, excited atoms, and these are then used by a myriad of external devices. The history of solar panels dates back by hundreds of years, when their sole purpose was to heat the water for use in homes. Many-a-times specially shaped mirror is used for the concentration of light onto a tube of oil. Due to this action, there is a heating up of oil and as these heated oil travels through a vat of water, it instantly results in the boiling of this water. The steam that is a resultant of this process of boiling is used to turn a turbine for the generation of electricity.</p>
<p>The History of Solar Panels</p>
<p>It was in the year 1839 that the photovoltaic effect was discovered by Antoine  Cesar  Becquerel, a French physicist. His experiment in this regard involved the placement of an electrolyte cell in an electrolyte solution; two metal electrodes made up the electrolyte cell.</p>
<p>When this device was exposed to sunlight, Becquerel found that the generation of electricity saw a marked increase. It was in 1883 that Charles Fritts coated sheets of selenium with a thin layer of gold and built the first genuine solar cell. Over a period of time many experiment were conducted and discoveries were made when it came to solar cells. Albert Einstein also published his thesis on the photoelectric effect, during this time and also won the Nobel Prize for his research.<br />
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It was space satellites that made large scale use of solar electrical energy for the first time. By 1980, the United States of America, produced a solar cell which provided an efficiency of nearly twenty percent, this efficiency was increased to around twenty four percent in the next two decades and currently there are a few companies that are manufacturing solar cells that offer efficiency levels of nearly twenty eight percent</p>
<p>The Working of Solar Panels</p>
<p>Pure silicon forms the basic element of all solar panels as its makes for an ideal platform that aids transmission of electrons. This material is used on the plates that form a solar panel. Solar panels are also created by combining silicon panels with other elements, with negative or positive charges.</p>
<p>The Silicon atoms are exposed to the bombardment of photons when negative plates of solar cells are faced towards the sunlight. Once all free electrons are drawn away from the plates, enough electricity is generated to power various electronic appliances that do not require too much electricity to power them.</p>
<p>Features and Types of Solar Panels</p>
<p>Basically there are three types of solar panels, namely mono-crystalline solar panels, polycrystalline solar panels, and amorphous solar panels. The life expectancy of solar panels depends on the type of solar panels selected by you; generally its around twenty years or so.</p>
<p>Solar panels do not require sustained maintenance for their upkeep although; if lead acid batteries are used then they must be checked every six months and topped up with distilled water if required. If you are looking for a solar panel for your needs and do not know what size to go for, then the best way would be to calculate your average consumption of electricity on a daily basis. This would give you a fair idea of what kind of solar panel to go for. In the long run, solar panels will reduce your electricity bill by a long way, and hence the option of using solar energy must be explored in a positive manner.</p>
<p><a href="http://at4schools.org/solar-panels/">Solar Panels</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
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		<title>Sharp Solar – Solar Energy Manufacturer</title>
		<link>http://at4schools.org/sharp-solar-%e2%80%93-solar-energy-manufacturer/</link>
		<comments>http://at4schools.org/sharp-solar-%e2%80%93-solar-energy-manufacturer/#comments</comments>
		<pubDate>Wed, 02 Nov 2011 22:14:37 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<guid isPermaLink="false">http://at4schools.org/?p=1449</guid>
		<description><![CDATA[As the world looks to alternative fuel sources to save the environment and money, solar energy has come to the forefront. Sharp solar is known as one of the leading manufacturers. Sharp Solar Solar Energy Manufacturer Solar energy has become increasingly important in todays world. With fuel prices skyrocketing and other forms of home energy [...]<p><a href="http://at4schools.org/sharp-solar-%e2%80%93-solar-energy-manufacturer/">Sharp Solar – Solar Energy Manufacturer</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
]]></description>
			<content:encoded><![CDATA[<p>As the world looks to alternative fuel sources to save the environment and money, solar energy has come to the forefront. Sharp solar is known as one of the leading manufacturers.</p>
<p>Sharp Solar  Solar Energy Manufacturer</p>
<p>Solar energy has become increasingly important in todays world. With fuel prices skyrocketing and other forms of home energy being impractical, solar energy is the Earth&#8217;s best solution to powering our lives. Solar products are a great way to collect energy from the sun and harness its power to run our households.</p>
<p>Sharp solar products are a great choice in the solar market place. Sharp is the number one manufacturer of solar cells, manufacturing more than its three nearest competitors combined. Sharp solar products are a convenient, safe and economical way to absorb solar energy and convert it into a usable form for household use. Sharp has led the solar industry for over 45 years now, and they have installed solar product systems everywhere from houses to office buildings to even on satellites.<br />
<span id="more-1449"></span><br />
There are four basic parts to the Sharp solar energy production system. The solar modules collect the suns rays in their solar cells and convert it into usable energy. The inverter converts the electrical current that s created from DC (direct current) to AC (alternating current), which is the type of electricity used in homes. The Sharp monitor allows you to see how your system is doing in terms of output and performance. The final part of the system, the electric meter, shows you how much power you are using.</p>
<p>In 2003, Sharp introduced their residential solar systems for use in the United States. These systems, used throughout the world before coming to the US, have allowed Sharp to be named the number one solar cell producer in the world every year since 2000. Sharp solar products are now also being produced in a clean factory in Memphis, Tennessee, which represents an investment on the part of Sharp into the future of solar power.</p>
<p>Sharp offers their solar power systems for sale through their own Sharp Solar department, or through an independent Sharp Solar Certified Installer. The installers are able to come to your home and help you decide on your own solar energy needs. They then they can quote you a price on the amount of work and materials needed to make your house a solar powered one.</p>
<p>Whether you want to cut down on your energy costs or cut down on damage to the environment, Sharp solar products are a great way to achieve your goals. Solar products are cost effective and, once installed, easy to use and maintain. Solar energy is a great way to reduce your dependence on fossil fuels and other Earth-harming energy sources.</p>
<p><a href="http://at4schools.org/sharp-solar-%e2%80%93-solar-energy-manufacturer/">Sharp Solar  Solar Energy Manufacturer</a> is a post from: <a href="http://at4schools.org">Reference Education Center | At4schools.org</a></p>
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