Environmental Science 15th Edition by Scott Spoolman,Tyler Miller

Exercise 13

What is the key concept for this section? Define and give three examples of environmental degradation (natural capital degradation). About what percentage of the earth's natural or ecosystem services have been degraded by human activities? Define pollution. Distinguish between point sources and nonpoint sources of pollution and give an example of each. Distinguish between pollution cleanup and pollution prevention and give an example of each. What is the tragedy of the commons?