Global warming: a topic that is often hotly contested. Science video blog Veritassium has compiled this video to present some facts for perusal. At the very least, it might be handy to bookmark for when the holidays hit and you're looking to cool down the arguments between your relatives who are political polar opposites, before they come to blows. -Via Science Dump
EDIT: meant as a reply to spielandglock
http://wattsupwiththat.com/2014/09/25/the-latest-hand-wringing-myth-buster-video-roundly-debunked/