There are theories suggesting that the AMO index is in turn driven by fluctuations in the north Atlantic current commonly called the Gulf Stream.

BBC: Global warming 'confirmed' by independent study

What asset is as secure as an FDIC insured savings account, relatively immune to dramatic price fluctuations, electronically accessible under our current custodial arrangements, and a good place to park cash while waiting to emerge from the bunker?

FORBES: How To Protect Your Retirement Assets From The Coming Crash