Mon, 26 Jun 2006

First compilation of tropical ice cores shows two abrupt global climate shifts

Repeat after me: there is no global warming ... there is no global warming ... there is no global warming ... pass the sunblock ...

The only real question is if we (as in humans) are the cause: on that there can be legitimate debate. But even if we're not the problem, we'd better be the solution, or there's gonna be a hot time in the old town tomorrow.

For the first time, glaciologists have combined and compared sets of ancient climate records trapped in ice cores from the South American Andes and the Asian Himalayas to paint a picture of how climate has changed - and is still changing - in the tropics. Their conclusions mark a massive climate shift to a cooler regime that occurred just over 5,000 years ago.

(link) [EurekAlert! - Breaking News]

/Technology | 2 writebacks | permanent link

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On 6/27/2006 08:01:47
Bjorngrimnir wrote

Polar Bear Model

Polar bears have existed, since their earliest form, for between 100,000 and 250,000 years. That means, all that time ago, the world was cold enough to encourage and sustain the mutations for brown bears to turn into polar bears. It also means that, for the past few hundred thousand years that the world has been cold enough to support polar bear populations. Until now. The ice is melting, polar bears are drowning, and it looks like polar bears will be extinct from the wilderness by sometime next century or sooner. So, in all probable reality, while the Earth may have had a warm spell here or there, it hasn't occurred with the prolonged heating or intensity that this warming trend has demonstrated. If it had, then the polar bear populations (especially with the unrestricted hunting that existed up until last century) would not have survived.

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On 7/1/2006 19:25:05
Walter Jeffries wrote

Three thoughts: If humans are the cause, is the problem, perhaps, self-correcting... I don't believe we need to worry about saving the world. It will endure. Certain species may not. I am 'speaking' as an optimist.

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