TOP 100 CAMPING SITES
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| Slide Show: The World's 10 Largest Renewable Energy Projects Today, renewable energy sources generate 12 percent of electricity in the U.S. But wind, wave, sunshine and others represent more than 93 percent of the energy the country could be producing, according to the Energy Information Administration of the U.S. Department of Energy. [More] rss.sciam.com |
Readers Respond on "The Power of Renewables" Bigger Is Better?I am concerned that, like most of our renewable efforts recently, Matthew L. Wald’s overview of renewable energy technology, “The Power of Renewables,” is oriented toward projects made by large corporations. This strategy will further entrench vested energy interests, when energy should be diffused to the general public. Windmills on your roof need not generate anywhere near the number of volts required by big windmills, which need to be matched and phased to the grid. And a rooftop windmill’s output can be stored in batteries or large condensers that can be used as insulation. We should not miss an opportunity to capitalize on the ingenuity of individuals worldwide to provide local solutions. [More] rss.sciam.com |
Report Predicts Urban Meltdown from Heat Waves Global warming will bring increased summer heat waves nationwide that are especially harmful to low-income and minority populations in urban areas and the elderly, according to a new report by environmental and public health groups."This is another reason why we must take steps to curb global warming pollution as much and as quickly as possible," said Amanda Staudt, a climate scientist with the National Wildlife Federation , which released the report today with Physicians for Social Responsibility . [More] rss.sciam.com |
Slip-Sliding Away: Myrtle Beach Erosion Could Explain Sand Loss along the U.S. East Coast Myrtle Beach's popular oceanfront is retreating at a rate of up to 30 centimeters per year. But visitors who flock to that part of South Carolina's Atlantic coast continue to enjoy its wide, sandy stretches, because the state refills them every seven years or so with sediment dredged from the sea bottom. [More] rss.sciam.com |
Dammed if we do, dammed if we don't: New World's biggest freshwater fish at risk Two of the world's biggest freshwater fish are in big trouble, come reports from scientists in North and South America. [More] rss.sciam.com |