Image Gallery - How Sure Are Scientists?
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description:
A
bar graph comparing the percent of scientists in 1991 and 2007 that
agreed "currently available scientific evidence" substantiates warming.
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description:
A
ring chart showing how climate scientists surveyed in 2007 answered the
question "Are humans responsible for observed warming?"
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description:
A
bar graph comparing the percent of scientists that agreed "global
average temperatures have increased" during the past century in 1991
and 2007.
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description:
A chart of the increase in global fossil fuel carbon emissions from 1751 to 2005.
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Models of 20th century climate run with and without anthropogenic greenhouse gases
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An isolated patch of multiyear Arctic sea ice ridges and melt pools surrounded by thinner ice and open water.
