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Pastimes : Where the GIT's are going -- Ignore unavailable to you. Want to Upgrade?

To: KLP who wrote (136481)	3/4/2007 1:44:28 AM
From: ManyMoose	Read Replies (2) \| Respond to of 225578

Here's my theory, based on trees that are far from petrified: In my forays into the woods a decade or two ago, I found incense cedar only 20 odd miles south of the Columbia River. A few miles away, sugar pine. Both of these occurrences were some of the northernmost of the species' range. Both were waning in numbers and vigor. In the same vicinity, the northernmost occurrence of a particular kind of bat. If it were just bats, you could argue that things are getting warmer and the bats are moving north. But trees live hundreds of years, and they're not going anywhere fast, but eventually out. So, that to me indicates near term cooling, at least in the last 100 years or so. I also found tiny little seams of coal in the rocks in this same general area. Those were laid down in the carboniferous eras of eons ago, certainly warmer than today. In the same area I found water washed gravel plastered on the side of a mountain. No doubt this was deposited by rivers running alongside melting glaciers that were thousands of feet thick. There wasn't any people at all here then. Nature will grind everything away and rebuild it, no matter what man does.

To: KLP who wrote (136481)	3/4/2007 2:00:09 AM
From: Lazarus_Long	Respond to of 225578

Look particularly at the graphs in this: chatham.edu Note that we have had periods of warming just as fast as is presently occurring. Note also that the earth's current temperature is STILL unusually lower than the average for its lifespan to date. And that we are currently in an interglacial period. There was a period of warming starting about 10,000 years ago and still in progress. All but the last 300 years of that warming were before the industrial revolution and have to be natural. It also is interesting that the beginning of agriculture and civilization just coincidentally happen to have occurred about 10,000 years ago. Regarding the Kyoto Treaty: China is specifically exempted from its requirements. Yet, depending on what source you pick, China either has passed the US in greenhouse gas emissions or will do so within a few years.