Jeff Masters.
According to a 2007 Newsweek poll, 42% of Americans believe that “there is a lot of disagreement among climate scientists about whether human activities are a major cause” of global warming”. I posed the same question to members of the wunderground community on Monday, and even higher 56% of them thought so. However, the results of a poll that appears in this week’s edition of the journal EOS, Transactions, American Geophysical Union, reveals that the public is misinformed on this issue. Fully 97% of the climate scientists who regularly publish on climate change agreed with the statement, “human activity is a significant contributing factor in changing mean global temperatures”. …
A nugget: Only 47% of petroleum geologists (vs 97% of climate scientists) believe that “human activity is a significant contributing factor in changing mean global temperatures”.