What to know as bond market reacts to Moody’s downgrade of U.S. credit - The Washington Post

The U.S. has trillions of dollars of debt financed by U.S. Treasurys. Any moves away from Treasurys could show early signs that some investors are losing confidence in the U.S. and perhaps its ability to make good on its promises to pay off those who buy U.S. debt...

https://www.washingtonpost.com/business/2025/05/19/us-treasury-bonds-tax-immigration-trump/

Credit Rating Agency Issues Warning On Climate Change To Cities -- NPR

Moody's Investor Services says it might downgrade U.S. cities' credit rating if they don't deal with the risks posed by climate change. ....
https://www.npr.org/2017/12/01/567843604/credit-rating-agency-issues-warning-on-climate-change-to-cities