Learn about the Environmental Protection Agency's efforts to reduce levels of this poison in US drinking water. Fact sheets in PDF format describe health risks and costs.

Virtual reference offers a comprehensive profile of this ecological phenomenon.

Coordinates water quality education and training programs in the Northeast. Features project descriptions, publications, and an event calendar.

Investigate the causes, effects, and responses to oil pollution, toxic contaminants, marine debris, and ocean mining and dumping. View photos.

Educational program informs the public about marine pollution, oil spills and endangered species. Send email to order pamphlets.