Climate, Clean Energy | featured news

Carbon dioxide emissions hit an unexpected 20-year low earlier this year, mainly because utilities have switched from coal to natural gas.

At the U.N.'s highest-level conference yet on climate change, China on Tuesday pledged ambitious plans to plant enough forest to cover an area the size of Norway and use 15 percent of its energy from renewable sources within a decade.

The global aviation industry has agreed to cut its net carbon emissions to half 2005 levels by 2050 under a plan to be set out on Tuesday by British Airways chief, Willie Walsh.