Environment
Solar charger for your IPOD, mobile phone, laptop, and other hand held devices has arrived in the market. It is at affordable cost to save the earth from global warming. Those who concern about global warming, climate change can switch to solar charger from electric charger. This
Ozone layer Depletion Ozone is an oxygen element. Molecular formula of ozone is O3. Above earth's surface from 9.6 km to 48 is called ozone layer. The ozone (O3) is formed when our oxygen (O2) is exposed to electric discharge by ultra violet rays emitted by sun.
Global warming is a natural cause Global warming may be a cause due to changes in sun. Today, environmentalists are creating awareness about Global warming and Green house effect. Global warming, they say, may lead to extinction of living beings f 
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