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Update on CO2 emissions

By P. Friedlingstein, R.A. Houghton, G. Marland, J. Hackler, T.A. Boden, T.J. Conway, J.G. Canadell, M.R. Raupach, P. Ciais and Corinne Le Quéré

Abstract

Emissions of CO2 are the main contributor to anthropogenic climate change. Here we present updated information on their present and near-future estimates. We calculate that global CO2 emissions from fossil fuel burning decreased by 1.3% in 2009 owing to the global financial and economic crisis that started in 2008; this is half the decrease anticipated a year ago1. If economic growth proceeds as expected2, emissions are projected to increase by more than 3% in 2010, approaching the high emissions growth rates that were observed from 2000 to 20081, 3, 4. We estimate that recent CO2 emissions from deforestation and other land-use changes (LUCs) have declined compared with the 1990s, primarily because of reduced rates of deforestation in the tropics5 and a smaller contribution owing to forest regrowth elsewhere

Topics: Meteorology and Climatology, Earth Sciences, Atmospheric Sciences, Chemistry
Publisher: Nature Publishing Group
Year: 2010
DOI identifier: 10.1038/ngeo1022
OAI identifier: oai:nora.nerc.ac.uk:13028
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