Greenhouse effect

5.1 How does CO2 and other greenhouse gases promote global warming? Discuss your opinion on the use of geoengineering measures to mitigate the effects of global warming.

5.2 Describe the sulfur cycle and the impact of air pollution on the sulfur cycle. What are the natural and human-caused sources of sulfur-containing air pollution?

8.1 What is life cycle assessment? How does it differ from dealing with air pollution at the point at which it is emitted?

8.2 Examine three of the upstream impacts of mining. Which of these do you think would be most difficult to estimate in a life cycle

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