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May 6, 2005


OK, I give up:

Reductions in industrial emissions in many countries, along with the use of particulate filters for car exhausts and smoke stacks, seem to have reduced the amount of dirt in the atmosphere and made the sky more transparent.
That sounds like very good news. But the researchers say that more solar energy arriving on the ground will also make the surface warmer, and this may add to the problems of global warming. More sunlight will also have knock-on effects on cloud cover, winds, rainfall and air temperature that are difficult to predict.

Martin Wild, an atmospheric scientist at the Swiss Federal Institute of Technology in Zurich, found that since the 1980s solar radiation has increased almost everywhere on Earth, except for heavily polluted areas such as India and some parts of Australia, Africa and South America.

Apparently nobody had noticed this until now.

Posted by Stephen at 4:48 PM in Energy + environment | Permalink | TrackBack (0)

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