Many South Carolina utility companies don’t add fluoride to the tap water people drink. Dentists say this increases tooth decay patient numbers, and that the poorest residents suffer with high dental work bills.

Sammy Fretwell has written about the environment for more than 20 years. Among the matters he covers are climate change, wildlife issues, nuclear policy, pollution, land protection, coastal development, energy and state environmental policy. Fretwell, who grew up in Anderson County, is a University of South Carolina graduate. Reach him at 803 771 8537.