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Strategies & Market Trends : 2026 TeoTwawKi ... 2032 Darkest Interregnum -- Ignore unavailable to you. Want to Upgrade?

To: Cogito Ergo Sum who wrote (16059)3/28/2007 5:30:31 PM
From: Snowshoe  Read Replies (1) | Respond to of 218134
 
>>Plows, Plagues, and Petroleum: How Humans Took Control of Climate. William F. Ruddiman.<<

Spots,

Thanks for posting that review of Ruddiman's book. I first encountered his ideas via his article in the March 2005 Scientific American. I haven't dug deeply into the climate issue, but his approach sure makes sense to me. I need to read his book and then review the debate he has instigated. Here's an intro to the article, but a subscription is required to read the whole thing...

How Did Humans First Alter Global Climate?
A bold new hypothesis suggests that our ancestors' farming practices kicked off global warming thousands of years before we started burning coal and driving cars
By William F. Ruddiman
sciam.com

-Snow




To: Cogito Ergo Sum who wrote (16059)3/28/2007 6:30:32 PM
From: Moominoid  Read Replies (1) | Respond to of 218134
 
Yes - the very long-term record is very interesting too, but the further you go back the fuzzier the estimates of carbon dioxide, temperature etc. get. The colder periods in Earth prehistory do seem to have been periods when concentrations of carbon dioxide were higher and vice versa. The sun was also likely weaker then.


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