Cleaner air may make global warming worse - The Irish Times - Wed, Jun 29, 2011

Cleaner air could increase average global temperatures by 1 degree globally and by between 2-4 degrees over Europe.

Climate change study: More than 300 months since the planets temperature was below average - The Washington Post

“There is a clear and unmistakable signal from the top of the atmosphere to the depths of the oceans,” added Peter Thorne of the Cooperative Institute for Climate and Satellites, North Carolina State University.
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“Climate change is a risk factor for extreme weather just as eating salty foods is a risk factor for heart disease,” said Jay Gulledge, director of the Science & Impacts Program at the Pew Center.
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Meanwhile, a separate report from the Cooperative Institute for Research in Environmental Sciences at the University of Colorado at Boulder said the Earth is getting thicker around the middle due to ice loss from the Greenland and Antarctic ice sheets.