Figure 1. Graph showing variations in the Earth’s surface temperature over the last 1000 years

Source: http://www.global-greenhouse-warming.com/graphs-diagrams-of-global-warming-and-climate.html

a)     Describe the trends shown on Figure 1.

[5]

b)     Outline the evidence that shows that climate change is occurring.

[10]

c)      Explain how the actions of pressure groups and individuals can help to address climate change.

[10]