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Climate Change

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Atmospheric CO 2 and Temp<br />

• If nothing is done to slow greenhouse gas<br />

emissions. . .<br />

– CO 2 concentrations will likely be more than 700 ppm<br />

by 2100<br />

– Global average temperatures projected to increase<br />

between 2.5 - 10.4°F<br />

• This would be much greater level of CO 2 than<br />

we have seen in the past. The higher<br />

temperature would affect the earth’s climate<br />

system in unknown ways.<br />

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