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Two and half years ago, Steve Stewart erected a 100-foot windmill at his Barstow, California home. Stewart is no eco-crusader, but he does know a good deal when he hears it. Although the windmill cost $53,000, Stewart paid only $32,000 thanks to state tax incentives. His electric bill has zeroed out from $2,000 annually before, [...]
Tectonic, climate and the topography of the mountain ranges interact through a complex system of interactions and feedbacks. The nature and strength of these links are examined on the basis of data collection of 69 mountain ranges over the five continents. Continental and oceanic crusts are “floating” on earth’s mantle. When two continental plates collide [...]
Low-carbon technology can`t fix global warming Washington: Switching over to low carbon-emitting technologies, which includes wind, solar and hydroelectric power, may not cut global warming until the latter part of this century. Technologies that offer only modest reductions in greenhouse gases, such as the use of natural gas and perhaps carbon capture and storage, cannot [...]
Scientists claim to have finally solved the mystery of why zebras evolved their distinctive black and white stripes — to keep blood-sucking flies at bay. Researchers from Hungary and Sweden, who detailed their study in the Journal of Experimental Biology, said the pattern of narrow stripes makes zebras “unattractive” to the flies. The key to [...]
Have you ever wondered why plants never get sunburnt? This is because plants make “sunscreen” in their leaves, say researchers who claim to have finally solved the mystery after a 15-year research. Ultra-violet rays — the most powerful part of the sun’s rays — can damage both humans and plants. But plants rarely show signs [...]
“Oceans and climate are linked to each other. Far from the static, Atlantic Ocean contributes a lot to climate change,” shared Prof A D Singh, department of geology, Banaras Hindu University (BHU). He has returned recently from an ocean expedition to Atlantic Ocean. Singh, who was invited by the Unites States Implementing Organisation (USIO) through [...]
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