Smog from wildfires sweeping the nation has left tens of millions more Americans to breathe toxic air even as man-made forms of pollution fall, according to a new study released Wednesday. The ...

Answer Man: Has pollution made local rivers a blue-green color? Mission and the VA Medical Center used their own water after city’s was restored?

The celebration of Earth Day in April reminded us of the importance of a healthful environment and focused attention on natural biological processes that prevent or minimize environmental ...

But unlike man-made pollution, wildfire smoke can’t be regulated by the Environmental Protection Agency, which is charged with protecting human health and the environment.

This man-made pollution is bad enough in itself, but it reflects something even worse: a dangerous illusion that technological man can build bigger and bigger industrial societies with little ...

The new standards will avoid 1.38 billion metric tons of carbon pollution through 2047, equivalent to the annual emissions of 328 million gas cars, the EPA said, and will provide hundreds of ...

Cars, power plants and factories could all soon face much tougher pollution limits after a government declaration Friday setting the stage for the first federal regulation of gases blamed for ...

“One of the biggest environmental challenges facing our nation is man-made pollution that damages our air, our water and our land,” Regan said in a speech at Howard University.

“One of the biggest environmental challenges facing our nation is man-made pollution that damages our air, our water and our land,” Regan said in a speech at Howard University.