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U.S. EPA Proposes First CO2 Limits on Power Plants

By Timothy Gardner WASHINGTON (Reuters) - The Obama administration proposed on Tuesday the first ever standards to cut carbon dioxide emissions from new power plants, a move likely to be hotly contested by Republicans and industry in an election year. The Environmental Protection Agency proposed the long-delayed rules that limit emissions from all new U.S. [More]

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Scarce Resources May Slow Low-Carbon Growth

By Nina Chestney LONDON (Reuters) - Dwindling supplies of metals, water and biomass could slow the deployment of clean energy technologies by 2035, a study by research organization the Stockholm Environment Institute and by business initiative 3C showed on Tuesday. Governments and companies are increasingly developing low-carbon technologies to reduce their dependency on fossil fuel-based energy sources and to cut greenhouse gas emissions.

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Is Human Impact Accelerating Out of Control?

LONDON -- The impact of human activity on the Earth is running out of control, and the amount of time in which action can be taken to prevent potentially catastrophic climate change is rapidly dwindling, a leading scientist from the Australian National University told a global scientific climate conference in London yesterday.

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Ecotourism Does Not Overly Stress Orangutans, Study Finds

What can poop tell us about orangutans? Well, for one thing, a study of wild orangutan feces has revealed that these great apes, unlike some other species, are not chronically stressed by ecotourism

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Pink Slime, Deconstructed

“I don t eat school lunch anyway . . . It looks weird.” BPI / The Atlantic [More]

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Who Owns the Past?

A rare set of nearly 10,000-year-old human bones found in 1976 on a seaside bluff in La Jolla, Calif., may soon be removed from the custody of the University of California, San Diego, and turned over to the local Kumeyaay Nation tribes.

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Martian Water Stuck In Minerals

Mars today is pretty dry. But billions of years ago, water flowed across the red planet. It ran in rivers that carved deep valleys.

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