Whatwas done in the '70s when the "mini Ice Age" was encroaching on the planet (quick, stockpile socks, jackets and blankets!)? We were all doomed at that point too. As a whole I don't buy into the whole climate change thing (quick, stockpile socks, jackets and blankets!). I am in the camp of the "cyclic nature of the Universe" bunch. Refer to the mini Ice Age of the '70s. I would look at the disasters that typically happen where you are and overprepare for them. Socks, jackets and the like. Make, check, and recheck your plans and preparations. Afterwhich, sit back with a few friends, slide your toques back a bit, and sip a Hamm's (or whatever).
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"Its not a matter of being ready as it is being prepared" -- B. E. J. Taylor