Resources and Links
- ATSDR
- The Agency for Toxic Substances and Disease Registry, from the U.S. Department of Health and Human Services.
- TerraServer.com
- Satellite photos, aerial photography, and images.
- U.S. EPA Superfund Sites
- Information about Superfund sites, which are uncontrolled or abandoned places where hazardous waste is located, possibly affecting local ecosystems or people.
- U.S. EPA Envirofacts Query Form
- Search the Envirofacts Facility Tables. Identify facilities, sites or places subject to environmental regulations or of environmental interest.
- American Rivers
- A nonprofit membership organization leading the nationwide river movement.
- Environmental Working Group
- Environmental investigations and research.

