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Companies form circles to become greener
The founder of Rev, Elliot Hoffman, created sustainable circles where companies discuss their practices and find solutions to become greener.
Reading, writing, berries! School gardening03:59
The fight against oil drilling in the Gulf03:49
Transforming trash into incredible tiny homes05:04
Parts of Patagonian glacier collapse00:46
How land grabbing could affect parks07:08
How religion clashes with science06:41