Friday, April 27, 2007

Blast from the past

Gassy blast from prehistoric volcanoes heated Earth (Reuters)

Lava flows down the slopes of Mayon volcano south of Manila, July 20, 2006. Ancient volcanoes may have caused a dramatic warming of the Earth's atmosphere that raised sea temperatures and killed off many marine species, resulting in a 'planetary emergency,' U.S. and European scientists said on Thursday. (Romeo Ranoco/Reuters)Reuters - Ancient volcanoes may have caused a dramatic warming of the Earth's atmosphere that raised sea temperatures and killed off many marine species, resulting in a "planetary emergency," U.S. and European scientists said on Thursday.


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