Climate change plan B: going negative

December 7, 2015 8:09 AM

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If world leaders can't agree to drastically reduce greenhouse gas emissions, technologies that remove carbon from the atmosphere could be our only hope for avoiding extreme climate change. Gregg Borschmann reports.

With global greenhouse gas emissions projected to continue rising for at least the next decade, scientists and policy makers are quietly but increasingly focused on so-called 'negative emissions' strategies.

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