Less pollution means more warming ?

Air trends 'amplifying' warming
By Richard Black
Environment Correspondent, BBC News website, in Vienna



Only when solar dimming disappeared could we really see what is going on in terms of the greenhouse effect

Martin Wild
Reduced air pollution and increased water evaporation appear to be adding to man-made global warming.

Research presented at a major European science meeting adds to other evidence that cleaner air is letting more solar energy through to the Earth's surface.

Other studies show that increased water vapour in the atmosphere is reinforcing the impact of man-made greenhouse gas emissions.

Scientists suggest both trends may push temperatures higher than believed.

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