Pollution has damaged many areas in the United States, but one Ohio river proves that time and hard work can help reverse the negative effects. The Cuyahoga River in Ohio was once so polluted by the ...

About a mile from Cleveland’s Lake Erie shore, in a stretch of water once among America’s most polluted, a team of conservationists just released a few dozen lake sturgeon into the Cuyahoga River.

Restoring woodlands and protecting undeveloped areas near the Blue River and its creeks are a few of the steps that could mitigate pollution and flooding.

New research backs up the concerns of people who live near the Tijuana River and have long complained that foul air wafting from the polluted waterway is making them sick — irritating their eyes and ...

Rain is coming in south San Diego, which means higher water levels in the polluted Tijuana River — and, potentially, even worse air quality. Now, residents worry that the home air filters newly ...

River Action says National Resources Wales is failing to stop chicken manure polluting the river.

Firefighters stand on a bridge over the Cuyahoga River to spray water on the tug Arizona as a fire, started in an oil slick on the river, engulfs docks in Cleveland on Nov. 1, 1952. (Getty Images) ...