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Environment & Energy

GliderGuider

(21,088 posts)

9. Two problems:

Reply to NickB79 (Original post)

Tue Sep 23, 2014, 09:29 AM

Sep 2014

1. +2C is not "safe". It is a politically-acceptable target, not scientifically supported as safe.

2. The equilibrium sensitivity of the earth system has probably been been underestimated, and may be over twice as high as previously believed. I think the whole system sensitivity to a doubling of CO2 is probably not 3C as per Charney, but rather the 7.8C calculated by the Apollo-Gaia Project.

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Highlight:

Global Warming Goal of 2 Degrees Dwindling [View all] NickB79 Sep 2014 OP

Not at all surprised. marym625 Sep 2014 #1

2 degrees Celsius? Amazing what a miniscule yeoman6987 Sep 2014 #2

Here's an example of approaching three degrees I came acoss long ago. dipsydoodle Sep 2014 #4

Nowhere in the article does it mention what the increase in temp has been so far Sopkoviak Sep 2014 #3

Globally averaged, .6 C - or about 1.1F so far hatrack Sep 2014 #5

Ok, according to whom, based on what measure Sopkoviak Sep 2014 #6

Basically, according to every climate scientist and organization NickB79 Sep 2014 #8

And even "just" that has drastically altered the planet NickB79 Sep 2014 #7

Two problems: GliderGuider Sep 2014 #9

There is also the cause and effect delay FedUpWithIt All Sep 2014 #10