And there's more...
"People have imagined that if we stopped emitting carbon dioxide that the climate would go back to normal in 100 years or 200 years," said study author Susan Soloman. "What we're showing here is that's not right. It's essentially an irreversible change that will last for more than a thousand years."
In geological time 1000 years is almost insignificant ! An ice age, which would cover the UK destroying every village, town and city and displacing a population of 55 million (or thereabouts) would last 80,000 to 100,000 years.
The warm inter-glacials have "been much shorter, lasting about 10,000 years. The last Ice Age or glacial period on Earth ended roughly 14,000 years ago." So, we're due another one !
Also, how do we know that this "irreversible change" would not, actually, be good !
Unlike humans, the planet does not maintain a "status quo" - it changes all the time. Rather than trying to force the planet to obey some "golden age" idyll, humans would be better to adapt with it (as they did in the past). When the ice age returns we'll all be nomads again !
Of course, nomads are people of no-fixed abode so governments CANNOT tax them! Perhaps this is the real fear of our governments !
BTW: I am NOT arguing for minimising human impact on the planet - I AM arguing that the planet is big enough to look after itself and ultimately will do so, no matter what the human race does.
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