Environmental Science 15th Edition by Scott Spoolman,Tyler Miller

Exercise 12

What is the greenhouse effect and why is it so important to life on the earth? What role do CO₂ emissions play in atmospheric warming and what are two major sources of these emissions? Define carbon footprint. Explain how scientists use models to project future changes in atmospheric temperatures. Describe how each of the following might affect average atmospheric temperatures and projected climate change during this century: (a) the oceans, (b) cloud cover, and (c) outdoor air pollution.