1. Depletion Of The Ozone Layer
... atmospheric life times long enough to allow them to be transported by winds into the stratosphere. Because they release chlorine and bromine when they breakdown, they damage the protective ozone layer. In the early 1970's, researchers began to investigate the effects of various chemicals on the ozone layer, particularly CFCs, which contain chlorine. Potential impacts of other chlorine sources were examined also. Chlorine from pools, for example ... combine with water and repeated measurements show that they rain out of the troposphere very quickly. In contrast, CFCs are so stable that th...
- Word Count: 2746
- Approx Pages: 11
- Grade Level: High School