Irena Sendler rescued 2,500 Jewish children in Poland during World War II.

One more reason I despise @algore and the fraud he’s perpetuated.
Global Warming faithfuls sh’d be ashamed pic.twitter.com/8r7UhmvuEs

— Manny Montenegrino (@manny_ottawa) October 22, 2017

Also see: Facts about Irena which are not generally known. All of these are from primary sources.