Associated Press: A discovery about how clouds form may scale back some of the more dire predictions about temperature increases caused by man-made global warming.
That is because it implies that a key assumption for making such predictions is a bit off.
"What this will do is slightly reduce and sharpen the projections for temperature during the 21st century," said researcher Jasper Kirkby.
Nonetheless, he added, "We are definitely warming the planet."
Kirkby works at the European Organization for Nuclear...