Announcements, publications, and science activities by the US Geological Survey (USGS) regarding the widespread contaminant mercury are available at this metasite from the USGS. The site brings together links to METAALICUS, a US-Canada joint mercury assessment project, the USGS page on mercury contamination of aquatic ecosystems, nationwide fish advisories, and the EPA's Mercury Report to...

Visitors to this Web site from the US Environmental Protection Agency can learn about the ecological and health concerns associated with mercury. In addition to the resources available on the main Web page, the site also contains a teaching guide. Educators are invited to help "students learn about the health and environmental concerns associated with mercury, find out where it is in their school...