Monday 27 February 2012
E.P.A. greenhouse gas rules face new legal challengesReuters | 27 Feb 2012WASHINGTON (Reuters) - U.S. limits on greenhouse gas emissions face a challenge in federal court this week from more than 100 industry groups and several U.S. states, the latest high-profile effort to halt or overturn the Environmental Protection Agency's rules.
Climate Change Ice Age coyotes were supersized compared to coyotes today, fossil study revealsScienceDaily.com | 27 Feb 2012Coyotes today are pint-sized compared to their Ice Age counterparts, finds a new fossil study. Between 11,500 and 10,000 years ago -- a mere blink of an eye in geologic terms -- coyotes shrunk to their present size. The sudden shrinkage was most likely a response to dwindling food supply and changing interactions with competitors, rather than warming climate, researchers say.
Climate Change
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