Since the 1980s, a boom in shrimp farming has decimated mangroves around the world.

Carbon dioxide emissions from fossil fuels rose 227% from 1990 to 2010

  China also targets to reduce annual carbon dioxide emissions from coal-fired power generation by 180 million tons by 2020

Transforming all the carbon in the permafrost into CO2 would mean the end of the world as we know it."

  China's cumulative greenhouse gas emissions since 1990 will outstrip those of the United States in 2015 or 2016