Shock: Warmists may not have hard data to back up their claim that CO2 is making mountain climbing "steadily riskier"

Twitter / billmckibben

Global warming making things steadily riskier for mtn climbers--conditions have turned unpredictable http://www.nytimes.com/2012/07/15/us/ …

Twitter / DavidFederman

@billmckibben Tricky weather also making it hard to walk on water. Sea just won't stay calm long enough 2 stand upright & take couple steps

Everest news - Mount Everest by climbers

[2003] Up to 1990 the Everest fatality rate is a whopping 37%, yet from 1990 until today the rate has dropped to 4.4%.