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Why buildings need to cut carbon emissions
Chris Tagge from Ecorithm explains the technology behind making buildings more efficient and how a structure's sustainability goes beyond energy efficiency.
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