(Reuters) - Humans are damaging the planet at an unprecedented rate and raising risks of abrupt collapses in nature that could spur disease, deforestation or "dead zones" in the seas, an international report said on Wednesday. The study, by 1,360 experts in 95 nations, said a rising human population had polluted or over-exploited two thirds of the ecological systems on which life depends, ranging from clean air to fresh water, in the past 50 years.

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http://today.reuters.com/news/newsArticle.aspx?type=scienceNews&storyID=2005-03-30T141729Z_01_N30159540_RTRIDST_0_SCIENCE-ENVIRONMENT-EARTH-DC.XML


Informant: Geraldo Cienmarcos