Thursday, June 30, 2005

Clearing smoke may trigger global warming rise

"Global warming looks set to be much worse than previously forecast, according to new research. Ironically, the crucial evidence is how little warming there has been so far.

"Three top climate researchers claim that the greenhouse gases already in the atmosphere should have warmed the world more than they have. The reason they have not, they say, is that the warming is being masked by sun-blocking smoke, dust and other polluting particles put into the air by human activity.

"But they warn that in future this protection will lessen due to controls on pollution. Their best guess is that, as the mask is removed, temperatures will warm by at least 6°C by 2100. That is substantially above the current predictions of 1.5 to 4.5°C."

1 comment:

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