ClimateWire: Keeping global temperatures below a dangerous threshold by 2020 risks becoming a distant dream, a new U.N. Environment Programme report finds.
Greenhouse gas emissions levels are "considerably higher" than what will be needed to keep the global average temperature increase below 2 degrees Celsius, making it increasingly likely that the world will have to rely on costlier technologies like carbon capture and sequestration in order to meet the threshold in the coming decades, the "Emissions Gap...