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Updated 11 November 2004

Consequences Vol. 1, No. 2, Summer 1995
 

 

 

 

 

 

 

 

Figure 3 Calculated change in world-averaged crop yields of four cereal grains, as a result of increases of 2 and 4° C in average global surface temperature, with (top) and without (bottom) direct effects of CO2 on plant growth and water use. From a computer-modeled study by the authors at the NASA Goddard Institute for Space Studies.


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