PORTLAND, Ore. (KOIN) – We start the new week with either a mix of sun and clouds or sun and wildfire smoke. Depending on where you’re at, you will experience one or the other, potentially both. The ...

When smoke rises from wildfires in the western United States, it pummels clouds with tiny airborne particles. What happens next with these clouds has been largely unstudied. But during the 2018 ...

Scientists have begun to penetrate a mystery of climate change: the effects of smoke from forest and agricultural fires on the future warming of the Earth and how it influences the behavior of clouds.

Jonah Kaplan is an award-winning journalist who has built a strong reputation for his balanced reporting, thoughtful interviews, and deeply researched coverage of high-impact issues affecting the ...

Smoke from large wildfires in Canada has crossed the Atlantic and reached Europe, scientists announced on Tuesday. More smoke clouds will hit the continent in the coming days, according to the EU ...

Much of Southern California remained under a red flag warning for extreme fire risk due to strong, dry winds. The number of people under evacuation orders was not specified. About 18,600 people live ...

The smoke in the air on Tuesday was so thick you could see it and smell it. The Minnesota Pollution Control Agency (MPCA) released an air quality alert, with most of the Twin Cities Metro in the red, ...

A new NASA-led study helps answer decades-old questions about the role of smoke and human-caused air pollution on clouds and rainfall. Looking specifically at deep convective clouds — tall clouds like ...

Early risers in Texas saw something a little bit unusual earlier this week. A rare display of “meteor smoke clouds” — technically called noctilucent clouds — was rippling overhead before sunrise on ...