Contamination and pollution
Introduction of harmful substances into the environment by human action or natural processes.
- USGS mine drainage activities [More info]
- Listing of USGS research and monitoring projects on mine drainage, in order to promote cooperation and collaboration among scientists working on problems related to mining and the environment.
- USGS Science Serves Public Health [More info]
- Studies showing how human activities affect environmental and ecological health and how the quality of our environment and wildlife affects human health.