Manmade emissions of carbon dioxide grew 2.5 percent to a record last year as international efforts to fight global warming fail to curb the main gas blamed for rising temperatures, a team of scientists said.
Burning fossil fuels, making cement and changing land use together produced 9.94 billion metric tons of carbon compared with 9.7 billion tons in 2006, the Canberra, Australia-based Global Carbon Project reported today. Average annual growth since 2000 is about four times the mean in the 1990s, and the last year to register a decline in emissions was 1999.
Leaders from about 180 nations are locked in a two-year round of talks aimed at crafting a global accord to fight climate change by reducing carbon dioxide that's lofted into the skies. Greenhouse gases threaten to accelerate warming to levels that the United Nations Intergovernmental Panel on Climate Change said last year will increase floods and droughts, raise sea levels and extinguish thousands of species.
``It's been all talk and until there's action, emissions will continue to go up,'' Martin Parry, who last year co-chaired one of the IPCC's three working groups, said yesterday in a telephone interview from his home in eastern England.
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