Pennsylvania had the most water violations in 2023, 24,525 in total — 14,808 of which were related to monitoring and ...

Among 9,107 mothers-to-be, those living in U.S. counties with the highest radon level (≥2 pCi/L) had a 37% greater chance of ...

Greenhouse gases, mostly from burning fossil fuels, linger in the atmosphere where they heat up the planet, leading to more ...

The best portable air conditioners keep rooms cool and offer a degree of air filtration. We test for cooling ability, noise, ...