http://www.reuters.com/article/GCA-GreenBusiness/idUSL449824520090904 Widen global warming fight beyond CO2: U.N.
Fri Sep 4, 2009 10:58am EDT
By Alister Doyle, Environment Correspondent
GENEVA (Reuters) - The world should widen a fight against global warming by curbing a string of pollutants other than carbon dioxide, the main greenhouse gas, the U.N. Environment Programme (UNEP) said on Friday.
Heat-trapping methane, nitrogen compounds, low-level ozone and soot are responsible for almost half of the man-made emissions stoking climate change in the 21st century, it said.
A wider assault on pollutants, twinned with cuts in carbon dioxide, would help toward a new U.N. climate pact due to be agreed in December and have other benefits such as improving human health, raising crop yields and protecting forests.
"The science is showing us that global warming is happening faster and on a greater scale than anticipated," UNEP executive director Achim Steiner told Reuters on the sidelines of a World Climate Conference in Geneva.
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