Resources & Energy

Carbon-free by 2050? Not an easy feat

Some say it's infeasible, while others say it's imperative.

A 2011 picture showing NASA research into how changing conditions in the Arctic affect the ocean's chemistry and ecosystems. Some are calling for Canada to go carbon-free by 2050 in an effort to limit climate change.NASA photograph by Kathryn Hansen

PUBLISHED :Monday, Aug. 15, 2016 12:00 AM

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