Water pollution occurs when water becomes contaminated, usually by chemicals or microorganisms. Pollution can cause water to become toxic to humans, leading to infections and health problems. Water is ...

As federal jurisdiction over wetlands shrinks, Alaska must decide whether it has the will and resources to safeguard millions ...

The public has until Monday to comment on the Environmental Protection Agency and Army Corps of Engineers' proposed changes to the "waters of the United States" definition that are expected to limit ...