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70% of biologists view the present era as part of a mass extinction event, possibly one of the fastest ever, according to a 1998 survey by the American Museum of Natural History. Some, such as E. O. Wilson of Harvard University, predict that humanity's destruction of the biosphere could cause the extinction of one-half of all species in the next 100 years. Research and conservation efforts, such as the IUCN's annual "Red List" of threatened species, all point to an ongoing period of enhanced extinction, though some offer much lower rates and hence longer time scales before the onset of catastrophic damage. The extinction of many megafauna near the end of the most recent ice age is also sometimes considered part of the Holocene extinction event.[4] Some paleontologists, however, question whether the available data support a comparison with mass extinctions in the past
Originally posted by heliosprime
err I think you missed the data on your own charts.........try this place its easier for the "environmentally challenged" to grasp..
A compiled list of all the sources can be seen here. The total amount of cooling ranges from 0.65C up to 0.75C -- a value large enough to wipe out most of the warming recorded over the past 100 years. All in one year's time. For all four sources, it's the single fastest temperature change ever recorded, either up or down.
www.dailytech.com...
Originally posted by Waldy
reply to post by funny_pom
You just answered your question by yourself, thanks!
to hell with cooling...an increase in CO2, could cause suffucation
Originally posted by mirageofdeceit
reply to post by jimmyx
to hell with cooling...an increase in CO2, could cause suffucation
No - we wouldn't start noticing the effects of CO2 until it reached around 20% of the make-up of the atmosphere. At the moment, it only accounts for 0.03%. We couldn't actually burn enough fuel to get anywhere close.
[edit on 19-12-2008 by mirageofdeceit]