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Greenhouse
Why pig farms are big polluters
Mark Devries from the Citizen Drone Project explains how pigs farms in North Carolina are contaminating the environment with massive lagoons full of manure.
Greenhouse
Reading, writing, berries! School gardening
03:59The fight against oil drilling in the Gulf
03:49Transforming trash into incredible tiny homes
05:04Parts of Patagonian glacier collapse
00:46How land grabbing could affect parks
07:08How religion clashes with science
06:41
