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.



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



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