Capital Times: Sizzling summers, mild winters -- is this a normal variation in weather patterns or is it the onset of global warming?
Well, according to Dan Vimont, a UW-Madison climate scientist, its a bit of both. There are natural variations in year-to-year weather patterns, and there is indisputable evidence that not only is the global temperature rising, but greenhouse gasses emitted into the atmosphere by human activity is accelerating it.
Last year saw record warmth in the U.S., as well as in Madison...