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I'm sure this is mostly for comedic effect, but its pretty disingenuous to suggest that because 90% of all species that have ever existed are extinct, therefore we shouldn't worry about extinctions now. Nearly all of the extinctions that have happened are in 5 small (in geological timescales) periods, and all current evidence points to us now being in a sixth, being caused by man-made climate change
https://en.wikipedia.org/wiki/Extinction_event
Edit: also, obvious lol at people hand-wringing about asbestos. Imagine that
http://www.independent.co.uk/news/science/climate-change-game-over-global-warming-climate-sensitivity-seven-degrees-a7407881.html