Climate change versus climate variability

A question often posed is: what is the relative importance of change in mean versus changes in the variability of climate variables on food systems? Since this assessment examined both type of scenarios we are able to present some comparative results. Figure 12.8 shows the relative impact on global food demand and Fig. 12.9 on food prices for climate change versus climate variability. The results show that for food demand the climate change scenarios have a much more significant impact on food prices and thus food demand.

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