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Trees can fight global warming
Livermore, Calif. (UPI) Dec 15, 2006 Planting trees can help fight global warming if they're planted in the right spots, U.S. and French climate experts say. Tree-planting programs in the tropics work because tropical forests not only absorb carbon dioxide, a greenhouse gas, but also increase cloudiness, which helps cool the planet, said Govindasamy Bala of Lawrence Livermore National Laboratory in Livermore, Calif. Bala worked with scientists from University of Montpellier in France. The team used computer models to predict what would happen to global temperatures in 2100 if forests were removed in 2000, NewScientist.com said Friday. Bala said this study differs from others because the models not only included trees' carbon-storing effects but also considered the trees' release of vapor and their foliage absorbing extra heat. The climate warming because of leaves absorbing heat offsets the cooling effect from carbon uptake, Bala said. The team found that if they removed forests from the planet in 2000, global temperatures in 2100 were actually 0.2��C cooler than if forests remained. "The value of our study is that it provides guidance on where the trees should be planted if the main purpose is to slow down global warming," Bala said. Community Email This Article Comment On This Article Related Links Weather News at TerraDaily.com Weather News at TerraDaily.com
Bewilderment As Russian Winter Shrivels In Face Of Global Warming
Moscow (AFP) Dec 14, 2006There is not quite the drama of a Florida hurricane, or the poignancy of stranded polar bears, but Moscow babushka Larisa Bilik is struggling to sell her wool socks -- and global warming, experts say, is also to blame. The warmest November-December since records began has put Russia's fearsome winter on the back foot. |
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