Water from Lake Mead entering the Colorado River at Hoover Dam. (Photo: U.S. Bureau of Reclamation) This State of California map shows the region...
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At the end of March you read here about the great refrain of global warming skeptics, which has appeared in blog comments all over the internet and in...
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The nations of the Americas will share expertise toward cleaner energy sources and a halt to global warming through a new partnership President Obama...
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ALSO IN THIS STORY: EPA to act Thursday to declare carbon dioxide a pollutant. Most scientists doubt political efforts will succeed in preventing...
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President Obama's Thursday trip to Mexico City is designed to highlight Mexico's importance to three issues confronting the Western...
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U.S. and Mexican researchers have linked a severe, 15-year drought in Mexico to human activity, especially the clearing of land for grazing and the...
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Even before Barack Obama reinvigorated the federal government's commitment to energy independence and environmental protection, the Air Force...
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This week, American Rivers released its list of the ten most endangered rivers in America, highlighting threats that come not from pollution, once the...
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Gray wolves are thriving in the northern Rocky Mountains and Western Great Lakes states, according to the U.S. Fish and Wildlife Service, which...
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If Congress's latest proposal to control greenhouse gases succeeds, a new question may enter the American chatter: "Have you gotten your carbon...
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