Scientific magazine speaks of climate change 4,000 years back...

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Has archaeology.com just acknowledged that climate change is not man-made, by saying that it was a contributing factor to the extinction of the wholly mammoth?

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I dunno, did they prove that anything that happens for one reason can't happen for other reasons?

Pragu U did a couple of excellent pieces on this . 1) science behind it 2) beurocracy behind it.

If you care about climate change then maybe the American people should invest in Bill Gates' Breakthrough energy capital.

I'm still trying to figure this out...

The climate has always been changing. To truly change the climate man would have to keep it from changing.

Having said that man could be affecting the rate of change. How much, I don't know.

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Climate change has always happened and will continue to happen until the earth turns into a star.

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That's a bold statement from someone who thinks the earth is going to turn into a star

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No. The climate had always fluctuated. The issue now is that is had deviated from the normal pattern in a dramatic pattern rapidly since the second industrial revolution.

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Right. Scientists who study the climate are obviously not arguing that the climate has been static and that it's only changing now. They're arguing that humans are contributing to climate change in a way that could profoundly affect human life on the planet. That's a significant distinction.

As Iosh said, just because climate change happened in the past for natural reasons does not mean that it cannot happen in the present for manmade reasons.

I agree with that. What i don't agree with is the thought that it is a scientific absolute that the climate is changing at an accelerated pace due to us. I don't think that in the grand lifespan of the earth, that around a hundred and forty years is a large enough sample size to declare it as fact.