Russia fires caused by global warming? Maybe not, say scientists. - CSMonitor.com

http://www.csmonitor.com/Science/2010/0816/Russia-fires-caused-by-global-warming-Maybe-not-say-scientists

"The key observation is that these events are becoming increasingly more common," Mann told LiveScience. "The Russian heat wave was by some estimates a one-in-a-thousand-year event, but with global warming perhaps it's only a one-in-10-year event now."