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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?


To: jlallen who wrote (899058)11/6/2015 9:24:06 AM
From: Wharf Rat  Read Replies (1) | Respond to of 1574888
 
"the extent of any global warming caused by man is debatable."

Quite true; is it 90%, or 110%?

the IPCC says that humans have most likely caused all of the global warming over the past 60 years



Net human and natural percent contributions to the observed global surface warming over the past 50-65 years according to Tett et al. 2000 (T00, dark blue), Meehl et al. 2004 (M04, red), Stone et al. 2007 (S07, light green), Lean and Rind 2008 (LR08, purple), Huber and Knutti 2011 (HK11, light blue), Gillett et al. 2012 (G12, orange), Wigley and Santer 2012 (WS12, dark green), and Jones et al. 2013 (J12, pink).

theguardian.com