20 June 2011
Global carbon dioxide emissions jumped 5% between 2008 and 2010 to reach 30.6 Gigattonnes. Forty-four per cent of the estimated CO2 emissions came from coal, 36% from oil, and 20% from natural gas. The IEA estimates that infrastructure investments in power plants have already locked in 80% of projected emissions from the sector in 2020. Energy-related emissions must not be greater than 32 Gt in 2020 to have a reasonable chance of achieving an international goal to limit a global average temperature rise to 2°C, under the UN Cancún Agreements.
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