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The great urbanization and what it means for nature: Part 1

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Not the last straw: Homes made from straw bales make a comeback

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Cold snap threatens crops

Salatin snags Heinz Endowment, Person of the Year honor

Michelle Obama on 'Iron Chef'

5 steps to reusing your Christmas tree

Solar tubes help milk daylight

Entrepreneur creates soap from food grease

Top 10 reasons to eat grass-fed meat