>interestingly this article was written more than a year ago, and there's
>still no sign of sun spots, a few appeared briefly but then disappeared
>again.
Yes, there was some concern a year ago. Since then, there's still been next to no sunspot activity - just a hint in the last month (http://www.solen.info/solar/. ) I monitor this every day. As I mentioned in my last post on this, we are potentially entering a repeat of the the Dalton period. If this extends to something like the Maunder, we can expect a temperature drop of about 1 degC from where we are now (it's only up 0.6 degC now, and there's panic over warming).
It doesn't sound like much, but last time it happened, there was a lot more ice and snow. The jet stream will change to bring colder weather further from the poles. The increase temperature differential will increase storm activity. We'll have struggles with growing food. Overall, it's not nice. If we are concerned about warming, we should be all sitting on the toilet over what this would mean.
If it develops into a full ice age (which based on past history could happen any time in the next few thousand years), we're going to see about 8 degC drop (though it will take a few thousand years to get there). Life as we know it will change dramatically.
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