3 questions · 35 marks · ≈ 35 min
Describe strategies for managing climate change through the reduction of greenhouse gas emissions.
Solar radiation management is a geo-engineering strategy aimed at counteracting climate change.
(i) Outline how solar radiation management could be used to counteract climate change.
(3 marks)
(ii) Suggest why some people are concerned about using solar radiation management to counteract climate change.
(1 mark)
A report stated that from 2000 to 2018 the emission rate of greenhouse gases in Canada from oil sands extraction decreased by 36%. These emissions account for 12% of Canada’s total greenhouse gas emissions.
(i) Explain why greenhouse gas emissions are a concern.
(3 marks)
(ii) Canada was one of the countries that signed the Paris Agreement in 2016.
Explain why international agreements help to control greenhouse gas emissions.
(2 marks)
(iii) International agreements have helped to reduce the emission rate of greenhouse gases.
Suggest two other reasons why the emission rate of greenhouse gases from oil sands extraction has decreased.
(2 marks)
‘Think globally and act locally is an effective strategy for people to take responsibility for the environment.’
To what extent do you agree with this statement?
Give reasons and include information from relevant examples to support your answer.