Global warming = increased heatwaves? If your reaction is, “Ahhh, so what? I’ll just turn up the aircon!” then try this on for size.
An example of a recent extreme heat wave is the Russian heat wave of 2010, which had very significant adverse consequences. Preliminary estimates for the 2010 heat wave in Russia put the death toll at 55,000, annual crop failure at about 25 percent, burned areas at more than 1 million hectares, and economic losses at about US$15 billion (1 percent gross domestic product (GDP)).”
World Bank “Turn Down the Heat” PDF