Noisy
← this week  ·  Subscribe →

The world is being quietly rearranged by people who write very long documents.

Federal Register · September 11, 2025
The title they went with Air Plan Approval; Montana; Regional Haze Plan for the Second Implementation Period; Prong 4 (Visibility) for the 2015 8-Hour Ozone National Ambient Air Quality Standard Noisy translates that to

Montana's plan to clean up regional haze gets federal approval

What happened
US environmental regulators are proposing to approve Montana's plan to reduce regional haze. This means Montana can move forward with its strategy to improve visibility in national parks and wilderness areas.
Why it matters
States must regularly update their plans to clean up regional haze, which is air pollution that obscures views in national parks and wilderness areas. This approval means Montana's current approach to reducing emissions from sources like power plants and industrial facilities is considered sufficient by federal standards. It sets a precedent for how other states might approach their own regional haze plans in this second implementation period.
The signal
Watch for the final approval of Montana's plan and how quickly the state begins to implement its proposed emission reduction strategies.
If you insist
Read the original →