A complete learning module where students watch an introductory video, take an estuary quiz, learn about landforms related to the environment, and use maps and real-time data to study estuary ecosystems in the United States.

An article featuring the complexity of estuaries which highlight the value these systems have to human and wild life.

Illustrated tutorial explains estuary ecosystems. Animations and illustrations help students become more familiar with the plant and animal communities which make up this coastal habitat.

Students are introduced to the various marine environments, their unique formations, origin and identifying characteristics.

Build a mangrove ecosystem by adding appropriate plants and animals, and by keeping the ecosystem in balance. Be sure every species has enough to eat to survive.

Learn facts about this important and diverse ecosystem in America's Pacific Northwest.

A project-based collaborative unit of study that teaches students about watershed health using real-time geospatial technology. Students engage in outdoor field experiences while using twenty-first century learning skills.

This in-depth resource offers facts on the ecosystem of the Puget Sound. Includes a searchable database of regional animals, described by both their scientific and common names.

Learn about EPA's work to protect and manage water resources and what you can do to help.