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Wed, Aug 03 2011 at 10:36 AM
Amazon damage rises, heat wave roasts U.S., new proof of 'multiverse,' and more.
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Tue, Aug 02 2011 at 10:35 AM
U.S. suffers record heat, lethal radiation in Japan, 'unicorn' plant at risk, and more.
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Mon, Aug 01 2011 at 10:30 AM
Key fish in crisis, rhino wars escalate, rescued penguin to be released, and more.
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Fri, Jul 29 2011 at 10:34 AM
Humanity to hit 7 billion in 2011, U.S. unveils new mpg rules, Shark Week begins, and more.
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Thu, Jul 28 2011 at 10:29 AM
The mob vs. wildlife, GOP vs. EPA, tequila vs. corn ethanol, and more.
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Wed, Jul 27 2011 at 10:22 AM
Eco-activist sentenced, cougar walks 1,500 miles, EPA delays ozone rule, and more.
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Tue, Jul 26 2011 at 10:22 AM
Fires to reshape Yellowstone, GOP pushes pipeline, hints of 'God particle' seen, and more.
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Mon, Jul 25 2011 at 10:28 AM
Record dead zones hit U.S., new heat wave likely, toxic thaw in Arctic, and more.
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Fri, Jul 22 2011 at 10:28 AM
U.S. heat wave peaks, crooks steal crops, Iran aims for space, and more.
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Thu, Jul 21 2011 at 10:24 AM
Space shuttle era ends, heat wave bakes U.S., Kenya burns ivory, and more.