Subject: wetlands
Apparently the 2020 Trump rule has removed protection from 25% of our wetlands. This was only discovered when someone used machine learning to determine what was a wetland, and therefore the true reach of the rule.

https://phys.org/news/2024-01-...

I would normally post this on the science board, but I don't want to pollute that board with politics. And this could easily devolve into politics, even though it's just an article about a study.

"Using machine learning to understand these rules helps decode the DNA of environmental policy," said author Joseph Shapiro, an associate professor of Agricultural and Resource Economics at UC Berkeley. "We can finally understand what the Clean Water Act actually protects."