12 Sep '11, 7am

World Environment News - Switch From Coal To Natural Gas No Boon To Climate - Planet Ark

Switch From Coal To Natural Gas No Boon To Climate Date: 12-Sep-11 Country: USA Author: Deborah Zabarenko, Environment Correspondent Relying more on natural gas than on coal would not significantly slow down the effects of climate change, even though direct carbon dioxide emissions would be less, a new study has found. Burning coal emits far more climate-warming carbon dioxide than natural gas does, but it also releases lots of sulfates and other particles that block incoming sunlight and help cool the Earth, according to a study to be published in the peer-reviewed journal Climate Change Letters in October. Using more natural gas for fuel could also produce leaks of methane, a heat-trapping greenhouse gas more than 20 times more potent than carbon dioxide, study author Tom Wigley said in a statement. "Relying more on natural gas would reduce emissions of carbon dioxide, b...

Full article: http://planetark.org/wen/63225

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