Environmental Science 15th Edition by Scott Spoolman,Tyler Miller

تمرين 5

If you live in the United States, list three important ways in which your life would be different if citizen-led actions during the 1970s and 1980s had not led to the Clean Air Acts of 1970, 1977, and 1990. Which one or more of the six principles of sustainability (see Supplement 7, pp. S50-S51) were applied by the passage of these acts? Explain.