Seems like there's a time frame problem here. Was the THC even around for most of the "past great extinctions"? That covers hundreds of billions of years from the point where we can identify remains of plants and animals sufficiently to posit extinctions.
On Sep 25, 11:56 pm, Hank Roberts <[EMAIL PROTECTED]> wrote: > Ward, "Under a Green Sky" -- suggests it's reorganization, not > necessarily even a slowing down, that's been the problem in most of > the past great extinctions. And not the 'Gulf Stream' per se. > Convincing writer, mostly from field work. > > ISBN13: 9780061137914 > ISBN10: 006113791x > > http://www.powells.com/review/2007_06_09.html --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups Global Change ("globalchange") newsgroup. Global Change is a public, moderated venue for discussion of science, technology, economics and policy dimensions of global environmental change. Posts will be admitted to the list if and only if any moderator finds the submission to be constructive and/or interesting, on topic, and not gratuitously rude. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/globalchange -~----------~----~----~----~------~----~------~--~---
