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| Environmental restoration in the United States | |
|---|---|
| Name | Environmental restoration in the United States |
| Caption | Restoration work in Chesapeake Bay |
| Location | United States |
| Established | 19th–21st centuries |
| Governing body | United States Environmental Protection Agency, National Oceanic and Atmospheric Administration, United States Fish and Wildlife Service |
Environmental restoration in the United States is the coordinated set of projects, laws, institutions, and practices aimed at returning altered, degraded, or contaminated lands, waters, and ecosystems within the United States to functional, sustainable states. Activities range from remediation of industrial contamination at Superfund sites to large-scale ecosystem recovery in regions such as the Great Lakes, the Mississippi River Delta, and the Chesapeake Bay. Restoration intersects with efforts led by agencies such as the United States Environmental Protection Agency, National Oceanic and Atmospheric Administration, and United States Fish and Wildlife Service, and is shaped by statutes including the Comprehensive Environmental Response, Compensation, and Liability Act, the Clean Water Act, and the Endangered Species Act.
Environmental restoration in the United States encompasses remediation of contamination at Love Canal, cleanup of hazardous waste sites on the Hanford Site, habitat restoration for species like the California condor and the whooping crane, river restoration on the Elwha River and the Klamath River, and marsh reconstruction in the Brazos River Delta. Programs span federal efforts under the Superfund program, state initiatives such as California’s CalEPA projects, and nonprofit action from organizations including The Nature Conservancy, National Audubon Society, and Sierra Club. Restoration scales from localized brownfield redevelopment in cities like Detroit and Baltimore to landscape-scale work in the Everglades and the Arctic National Wildlife Refuge.
Early restoration traces to 19th-century projects on the Yellowstone National Park landscape and reclamation under the Reclamation Act of 1902. Mid-20th-century industrialization produced contamination prompting passage of the National Environmental Policy Act and the Clean Air Act, while environmental crises such as Love Canal and the Cuyahoga River fires catalyzed the Environmental Protection Agency's founding in 1970. The 1980 enactment of the Comprehensive Environmental Response, Compensation, and Liability Act created the Superfund framework, leading to cleanup of sites like Times Beach, Missouri and remediation projects at Rocky Flats. River and dam removal milestones include the Edwards Dam removal and the Elwha dams' deconstruction, while species-focused recovery saw successes with the bald eagle, the gray wolf reintroduction to Yellowstone National Park, and the Chesapeake Bay Program's oyster restoration.
Restoration relies on statutes and institutions such as the Comprehensive Environmental Response, Compensation, and Liability Act, the Clean Water Act, the Endangered Species Act, the National Environmental Policy Act, and the Resource Conservation and Recovery Act. Agencies implementing policy include the United States Environmental Protection Agency, United States Fish and Wildlife Service, National Oceanic and Atmospheric Administration, USDA Forest Service, and the Army Corps of Engineers. International agreements and programs, including the Migratory Bird Treaty Act interactions and efforts coordinated with Canada on the Great Lakes Water Quality Agreement, also shape restoration priorities. Funding and liability mechanisms employ tools such as the Polluter Pays Principle operationalized through CERCLA enforcement and state revolving funds like those managed by EPA Region 5 and California State Water Resources Control Board.
Federal programs include the Superfund program administered by the Environmental Protection Agency, the National Estuary Program under NOAA, the Wetlands Reserve Program of the Natural Resources Conservation Service, and the National Coastal Zone Management Program implemented with NOAA partners. Agencies leading on-the-ground efforts are the United States Fish and Wildlife Service managing refuges like Pelican Island National Wildlife Refuge, the National Park Service conducting restoration across Denali National Park, and the Army Corps of Engineers executing large-scale habitat and floodplain projects such as those in the Mississippi River Basin. Nonfederal actors include The Nature Conservancy, World Wildlife Fund, state departments like the California Department of Fish and Wildlife, and tribal governments such as the Yurok Tribe engaging in co-management.
Techniques range from brownfield redevelopment in Buffalo, New York and phytoremediation projects using species from the Fabaceae and Poaceae families, to engineered solutions such as capping landfills and installing permeable reactive barriers at Hanford Site adjuncts. Ecosystem approaches include dam removal on the Klamath River and the Penobscot River Restoration Project, reforestation in the Appalachian Mountains via partnerships with the Forest Service, wetland restoration in the Mississippi Delta using sediment diversions planned by the Army Corps of Engineers, and oyster reef restoration in Chesapeake Bay by National Oceanic and Atmospheric Administration and Maryland Department of Natural Resources. Adaptive management frameworks draw on tools from the National Research Council and leverage monitoring by institutions like the Smithsonian Institution and USGS.
Pacific Northwest initiatives include dam removals on the Elwha River and salmon habitat recovery programs by the Bonneville Power Administration and the Northwest Power and Conservation Council. Gulf of Mexico restoration follows the Deepwater Horizon oil spill response and the Gulf Coast Ecosystem Restoration Council's funding for marsh rebuilding. Great Lakes work integrates the Great Lakes Restoration Initiative with binational coordination with Environment and Climate Change Canada and projects addressing invasive species like the zebra mussel. Southwestern arid-land restoration incorporates work in the Sonoran Desert and river restoration on the Rio Grande coordinated by entities such as the Bureau of Reclamation.
Restoration faces funding constraints debated in Congress, disputes over liability and land use involving corporations such as ExxonMobil and municipalities like New Orleans, and conflicts between development interests and conservation groups including Friends of the Earth and Defenders of Wildlife. Scientific disputes concern approaches to assisted migration for species like the American pika and the role of engineered interventions in the Florida Everglades against critics including Environmental Defense Fund and local stakeholders. Climate change impacts from rising sea levels affecting Louisiana marshes and warming-driven shifts in the Great Lakes complicate restoration outcomes, while legal challenges under the Endangered Species Act and controversies over dam removals draw parties such as the Pacific Coast Federation of Fishermen's Associations and state attorneys general into litigation.