U.S. News

Air pollution and diabetes: Pollution levels too high

A new national study has found that there is a statistical correlation between exposure to air pollution and adult diabetes.


Oil companies trying to block California clean air laws

Texas-based oil giants Valero and Tesoro, among the biggest polluters in the nation, are the main backers of Proposition 23, which would suspend California's clean air laws.


Down at the docks, cleaner air may be coming

The docks near you might be getting a breath of fresh air soon, with a crucial piece of environmental legislation introduced into Congress last week.


EPA declares CO2 a threat to human health

The Environmental Protection Agency's announcement sets the stage for federal regulation of industrial CO2 sources like coal-fired power plants, refineries and factories.