by americandream » Thu 03 Mar 2011, 18:45:26
$this->bbcode_second_pass_quote('ian807', '')$this->bbcode_second_pass_quote('Ludi', 'W')hy are we talking about anything but our imminent death from Global Warming?
It's a severe problem, but I don't see it as immanent death for several reasons:
1) The planet has existing homoeostatic mechanisms for dealing with excess Co2. Algae, plants and such. In the presence of increased CO2, they grow larger and lusher and mop up CO2. I expect that this will continue.
2) As peak oil rears its head, the supply chains necessary to make use of all fossil fuels will eventually breaks down so that even available fossil fuels will not be used in huge quantities (I think "huge quantities" of anything will become unsupportable). Decreased use of fossil fuels will, like it or not, remove some, but not all of the problem.
3) The remaining problem, excess methane, will take longer to go away, but at some point, this stuff too, gets broken down by sunlight, cloud bacteria and so on. Still, it's an open question as to how long this takes. We could be in for a few decades of temperature increases or a few centuries. Economically and ecologically disastrous for many of us, yes, but unlikely to be fatal for all.
So do you reckon that the methane venting will be sufficiently leisurely to ensure that natural processes mitigate its effects ensuring some survivors? Do you have anything to back this up given the emerging evidence that we may have passed the point of no return with methane outgassing?