Living in the Environment 18th Edition by Tyler Miller,Scott Spoolman

تمرين 11

Summarize the controversy over the effects of trace levels of chemicals. Why do we know so little about the harmful effects of chemicals Explain why the use of the precautionary principle and pollution prevention to deal with health threats from chemicals is controversial. Describe some efforts to apply this principle on national and international levels. How did pollution prevention pay for the 3M Company