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Earth Day 2012: Strategies for a Green Planet

From recycling to energy use, new strategies are needed to ensure a more sustainable future

Trash Reap: 10 Surprising Recycling Efforts--from Bras to Crayons [Slide Show]

This guide, in observance of Earth Day 2012, helps consumers move well beyond the throw-it-out mentality

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A Tour of the U.S.'s Clean Energy Future [Slide Show]

The third annual ARPA-E summit showcases potentially transformative energy technologies

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A Scientific Argument for Intervening in Nature

The science behind moving species under threat from climate change

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Another Inconvenient Truth: The World's Growing Population Poses a Malthusian Dilemma

Solving climate change, the Sixth Great Extinction and population growth... at the same time

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Happy Earth Day! Welcome to the Anthropocene

Scientists are suggesting that the present day is part of a new era in the planet's history. David Biello reports

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