Sand is a cheap and easy to find water filter. It’s also not a very good water filter. But a new development–coating sand in graphite–could make it possible for everyone in the world to have easy ...

In southwest Washington State, three cities have recently rekindled the debate over adding fluoride to public drinking water as the U.S. Senate considers critic Robert F. Kennedy Jr. to lead the ...

Miami-Dade County voted to stop adding fluoride from the public water supply. More cities and counties across the U.S. are moving to ban fluoride in public drinking water after Utah became the first ...