Unsafe heavy-metal levels have been detected in the Kok, Mekong and Sai rivers in the northernmost provinces of Chiang Mai ...

The Arkansas Division of Environmental Quality has proposed changes to the state's water quality standards (Rule 2) to help ...

For nearly five months, public agencies, advocacy groups and scientists have analyzed samples of seawater and sand in an ...

"Heavy metal contamination in young children is especially ... "Arsenic is a natural element found in soil, water and air, with the inorganic form being the most toxic. "Inorganic" is a chemical ...