Lightning near the North Pole reveals dramatic climate changes as Arctic temperatures rise and storms intensify.

“A lot of people are focused on the jet stream and clear air turbulence with commercial aviation. That said, you can get bumpiness for all sorts of reasons, and there may be also changes due to ...

Haze forms when small particles of air pollution, such as sulfur dioxide or nitrogen oxides, scatter and absorb sunlight, blurring views and decreasing visibility. Congress amended the Clean Air ...

Haze forms when small particles of air pollution, such as sulfur dioxide or nitrogen oxides, scatter and absorb sunlight, blurring views and decreasing visibility. Congress amended the Clean Air ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. People wait for the trailhead at Glacier Point to ...

Advertisement Article continues below this ad Congress amended the Clean Air Act in 1977 to make restoring and maintaining visibility a goal for 156 national parks, wilderness areas, wildlife ...