Up to a quarter of all Americans live in areas where radon levels are above the "action level" set by the United States Environmental Protection Agency (EPA). According to a new paper in the ...

Efforts to map radon levels to identify where communities are at most risk and require interventions have historically ...

“They don’t know that Utah, because of our geological hazards and makeup … that we see more radon.” About one-third of homes have what the EPA classifies as elevated levels — four ...