Cengage Advantage Books: Sustaining the Earth 10th Edition by Tyler Miller,Scott Spoolman

Exercise 10

Describe how human activities have depleted ozone in the stratosphere and list live harmful effects of such depletion. Describe how scientists Sherwood Roland and Mario Molina helped awaken the world to this threat. Explain how ozone levels over the earth's poles drop during a few months each year and the harmful effects of such thinning on humans. Describe the relationships between higher UV levels and skin cancer. What has the world done to reduce the threat from ozone depletion in the stratosphere? How can we apply the three principles of sustainability to the problems of air pollution, climate change, and ozone depletion?