G1 - Grain Yields - Climate Change

 

 

Figure 1. Map showing potential changes to grain yield following a doubling of CO2 in the atmosphere

 

 

 

 

Source: rst.gsfc.nasa.gov/Sect16/051118110900.jpg

 

 

 

a)     Describe the patterns shown on Figure 1.

[5]

 

b)     Explain the relative role of environmental and human factors in recent climate change.

 [10]

 

c)      Outline the impacts that increasing levels of extreme weather are likely to have on human activities.

[10]