The smoke from Canadian wildfires produced some of the worst fine particle pollution on record in Minnesota over the weekend.

Governor Newsom seems to enjoy sticking his thumb in the eye of the White House and Congress,” the speaker said.

The Cram fire, off of mile post 76 on Highway 97 near Willowdale and northeast of Pony Butte Road, has burned 20,000 acres ...

Smoke from Northern California wildfires, including the Green Fire, continues to affect Reno and surrounding areas. As of ...

NEW YORK (AP) — In the nearly six months since the Trump administration has had control of the Consumer Financial Protection ...

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

The Amazon rainforest -- considered one of the world's most important climate regulators - continues to face serious threats ...

An air quality alert in the Chicago area will stretch into a third day as pollutants continue to linger in the air at high ...

Chicago's air quality alert continues due to Canadian wildfires, affecting sensitive groups and prompting health advisories.

Firefighters in Arizona were trying to contain a pair of fast-moving wildfires that destroyed a historic lodge in Grand ...

The wildfires burning at or near the Grand Canyon's North Rim are still raging as strong winds, high heat and low humidity persist.

The nearly 13,000-acre wildfire burning in eastern Utah crossed the Colorado border Monday night, joining four other fires ...