CRITICAL MASS OF STATES WILL REACH EMISSIONS PEAK BY 2030 UNDER CLIMATE DEAL...

A woman walks past a coal-fired power plant in Shanxi. While China has committed to reduce its carbon dioxide emissions by 2030, this commitment excludes other emissions. Photograph: Kevin Frayer/Getty Images

 Thinktank data shows that 55% of CO2 emitted in 2030 will be produced by states that have reached peak levels

Commitments made during the UN climate talks in Paris will lead to a critical mass of