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Politics : Formerly About Advanced Micro Devices
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TideGlider
To: Wharf Rat who wrote (905942)12/7/2015 3:42:19 PM
From: TimF1 Recommendation  Read Replies (2) of 1575080
 
That might be part of the reason for the 1.6%, but it doesn't turn 1.6% in to 97%.

And that's assuming its even true which is rather dubious. Yes I know what each letter in AGW stands for, but the issue was GW, and how much of it was A (obviously 100% of AGW is caused by human activity). It is essentially certain that CO2 (other gasses as well but the focus is CO2) is a greenhouse gas both in direct terms and when you consider the indirect effects. In direct terms its a basic matter of atmospheric physics. Indirectly its more complicated but not to the point of serious uncertainty. Its also well known that human activity increases the level of CO2 in the atmosphere. Its close to beyond dispute that human activity has a net warming effect. Its also well known that over the long run (since the end of the little ice age, or more broadly since the end of the last full on ice age), the earth has been warming. But "Earth warming" + "human action has a net warming effect", doesn't imply that human action is the overwhelming reason behind the warming. Its widely believe to be significant, but that doesn't amount to "overwhelming" or even "the main cause" being so beyond dispute that people wouldn't even bother to mention it.

An in any case the real issue of importance is what to do go forward. That isn't mainly a matter of atmospheric science let alone one there is any real consensus on.
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