This report discusses the results of a trend assessment of global CO2 emissions up to 2012 and updates last year’s assessment.

Global emissions of CO2 increased by 3% last year, reaching an all-time high of 34 billion tonnes in 2011, according to this report released by European Commission. Top emitters contributing to this increase in CO2 are China, US, EU, India, the Russia & Japan.

This paper discusses the method and results of a trend assessment of global CO2 emissions up to 2010 and updates the previous assessment of CO2 emissions up to and including 2009 (Olivier and Peters, 2010).