I just read the most wonderful article (http://www.theaustralian.news.com.au/story/0,25197,23583376-7583,00.html) about how global warming is not only over but that we may be heading into an ice age that could destroy civilization by 2027. The only way we can stop it is (I'm not kidding) bulldoze enormous piles of dirt or (and I really want to be a part of this) nuke the artic--thereby releasing enormous quanitites of methane which would warm up the earth to the point to off-set the fact that ...

Well, there's a lot to this. You need to read it, panic, then do something completely precipitous before remembering that we (mankind) have remarkably little to do with the health of this planet or, especially, it's longevity.