Climate Response
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Your estimate for the [CO2] mixing ratio in 2100 ( ppmV) with no mitigation *
The current mixing ratio is 400 ppmV
Your estimate for equilibrium climate sensitivity in degrees C for doubled CO2 *
-10 to +10
Your estimate of the cost per year in percent GDP of climate change in 2100 if there is no mitigation *
Enter only as a number, no % sign
Your estimate of the cost per year in percent GDP in 2100 to limit global warming to 2 C *
Use numbers  no % sign
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