Democratic Gov. Gavin Newsom has sparred this summer with California Republicans and President Donald Trump over the issue.

Energy advocates are pleased by the Environmental Protection Agency’s proposal to repeal the Obama-era Endangerment Finding ...

Heatwaves have become more frequent as the world cleans up harmful aerosol pollution, unmasking more of the warming effects ...

The Trump administration is decreasing the attention federal regulators pay to pipeline leaks. But leaks from natural gas ...

The agency proposal would rescind the landmark “endangerment finding,” which states that greenhouse gases are a threat to ...

No, it’s not just in your mind. The heat waves really do make the air extra gross to breathe. That’s because high heat helps accelerate a molecular reaction in the air, resulting in the ...

Gas appliances in the L.A. region — mostly water heaters and furnaces — emit more nitrogen oxides and fine particles into the air than power plants, refineries and oil and gas production ...

Gas appliances in the L.A. region — mostly water heaters and furnaces — emit more nitrogen oxides and fine particles into the air than power plants, refineries and oil and gas production ...

Masks worn to prevent the spread of COVID-19 offer little protection against chlorine. The chemical has been detected in the air following a fire at a Georgia plant.

Gas appliances in the L.A. region — mostly water heaters and furnaces — emit more nitrogen oxides and fine particles into the air than power plants, refineries and oil and gas production ...

Masks worn to prevent the spread of COVID-19 offer little protection against chlorine. The chemical has been detected in the air following a fire at a Georgia plant.