Applying air quality results for cleaner air
The Air Quality Act of 1967 was only the first of many legal steps to protect clean air. In the decades that have followed, many federal and state laws, as well as the knowledge gained from park monitoring and research, have led to cleaner air:
Although pollution has decreased, the total amount of acid deposition continues to exceed levels that are healthy for plants and animals. For a healthy park, we hope to see continued reductions in pollution.
To read about some of the impacts of air pollution on Smokies streams, go to Dispatches Issue 3: Stream Acidification and Partner Profile: Taking the pulse of Smoky Mountain streams.
Return to Dispatches from the Field: Issue 5 main page.
Did You Know?
The park’s high elevation heath balds are treeless expanses where dense thickets of shrubs such as mountain laurel, rhododendron, and sand myrtle grow. Known as “laurel slicks” and “hells” by early settlers, heath balds were most likely created by forest fires long ago. More...