Nature Climate Change 3, 1050–1054 (2013); published online 20 October 2013; corrected online 23 June 2014.

In the version of this Article originally published, the stated number of heat extremes during the period 1980–2009 should have read 378. This was the value used when attributing the number of deaths due to extreme heat. This error has now been corrected in the HTML and PDF versions of the Article.