2007 CO2 emissions due to energy combustion in the world

Worldwide energy combustion contributes to more than 95% of the global CO2 emissions. According to the last International Energy Agency (IEA) results, these emissions have raised by 3.3% with respect to 2006 and by 38% with respect to 1990 with a total of about 29 Gt of CO2. After a new 8% boom in 2007, China's emissions have tripled since 1990 with a total exceeding 6 Gt of CO2. China has become the first CO2 emitter in front of the USA. When compared to the number of inhabitants, China's emissions are comparable to the world average (4.4 t CO2/hab) but remain four times lower than the ones of the USA. (J.S.)