Quelpr
6 marksEnvironmental and Economic Costs of Energy Use

CAPE Environmental Science Unit 2 · 2009 · Paper 2 · Question 5(a)(ii)

Figure 4 displays generating costs and environmental costs of electricity production across coal, solar cells, geothermal, and natural gas.

A country intends to switch from coal to either geothermal energy or solar cells. Based solely on the data in Figure 4, recommend which renewable energy source to adopt, justifying your choice with TWO specific values.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 5(a)(i)Determine the environmental cost of using natural gas to produce electricity.[2 marks]
  2. 5(b)List THREE factors other than cost that must be considered when implementing a switch from coal to the recommended renewable energy source.[3 marks]
  3. 5(c)For a named Caribbean country, state whether the chosen renewable energy source would be a suitable replacement for coal, providing THREE supporting reasons.[9 marks]

More practice: the rest of this paper · more Environmental and Economic Costs of Energy Use questions · all CAPE Environmental Science Unit 2 past papers