The Alaska Department of Fish and Game monitors effect of hatchery salmon on wild stocks.
Scholars explore whether the benefits of the Clean Water Act justify its costs.
Clean energy systems will not reduce emissions unless states promote effective energy storage policies.
Despite state and local action, more effective reduction of single-use plastics must come from Congress.
As global temperatures rise, Americans will continue to pay the economic costs of climate change.
Scholar argues that many companies use unsubstantiated environmental claims to mislead consumers.
The proposed rule would increase carbon dioxide limits for certain coal-powered plants.
Wild horse and burro population growth may soon overwhelm the federal government.
Scholar argues that federal air laws conceal highly polluted areas.
Expert explores how a Florida law insulates firing ranges from state and local environmental actions.
Recent proposal to revoke natural gas regulation is the latest effort to put climate rules in the crosshairs.
Commentators debate central questions about the role of regulations in society.