This is the revision history for global warming in <*:##NULL>

factoid_idsubjectcopulapredicateauthornamespace
12082 global warming is http://www.xkcd.com/1321/ | http://www.xkcd.com/1732/ | https://xkcd.com/1379/ grinnz
12081 global warming is http://www.xkcd.com/1321/ | http://www.xkcd.com/1732/ grinnz
12080 global warming is http://www.xkcd.com/1321/ bengoldberg