The sky turns a rusty orange. The sun dims behind a thick veil of smoke. For millions of Americans, even ones far from wildfire-prone lands, this eerie scene is no longer rare. Extreme wildfires have ...

In the summer of 1943, thick smog blanketed Los Angeles, causing burning eyes, lung irritation, and even nausea—some feared it was a chemical attack. As the crisis grew, crops withered, and suspicions ...

During the early 1970s, the air in many American cities was … brown. Pollution muddied clear skies and sickened people across the country. The Clean Air Act helped change that. But the law's future is ...

When Congress passed the Clean Air Act in 1970, climate change wasn’t on anyone’s mind. Yet under an Obama-era decision known as the “Endangerment Finding,” the Environmental Protection Agency has ...

The amount of smoke new stoves can emit is just 3g per house, down from 5g previously, and households in smoke control areas ...