Consider human population and urbanization. What is the greenhouse effect and wh

Consider human population and urbanization.
What is the greenhouse effect and why is it so important to life on the earth? What role does CO2 emissions play in atmospheric warming and what are two major sources of these emissions?
Define carbon footprint. Define per capita 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.
Write an individual 3-4-page essay on this topic (1-inch margin, 12 pt font, 1 ½ spacing), addressing these points Find primary literature to back up your points and concerns and list them at the end of your essay. This assignment is worth up to 50 points