Climate change: Red Hot Planet

Red-hot planet: All-time heat records have been set all over the world during the past week.

(This article, originally published Tuesday, was updated Wednesday to add all-time heat records at Mount Washington, N.H., and Tbilisi, Georgia set since Monday. On Thursday, the story was updated to include information on heat-related deaths in Canada and extraordinary heat in Siberia. On Friday, it was updated to add the likely all-time heat record in Africa and Southern California.) Read more from the Washington Post