Global Warming? What Evidence Do You Have?

 

 

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Global Warming? What Evidence Do You Have?

via The Big Picture by Barry Ritholtz on 11/17/08

I'm no expert, but a century worth of data shows the change in global temperatures:

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Global Annual Mean Surface Air Temperature Change

Source: NASA

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Global Air Temperature

Source: Climatic Research Unit : Information sheets

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Global Temperatures of the Last Five Centuries

Source: NOAA Paleoclimatology Program

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Global Glacier Thickness Change

Source: The National Snow and Ice Data Center, Cryospheric Research Since 1976 University of Colorado

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Sea Ice Decline Intensifies

Source: The National Snow and Ice Data Center, Cryospheric Research Since 1976 University of Colorado

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Sea Level Change

Source: University of Colorado at Boulder

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Proxy Temperature Studies

Source: NOAA

 

 

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