Great Smoky Mountains National Park was one of four parks in the eastern U.S. where the Dragonfly Mercury Project got its start. Easier to catch and cheaper to test than fish, dragonfly larvae can be ...

Long assumed by some to have been diluted and washed away over time, mercury contamination from 19th-century gold mining is ...

With 360-degree vision, bright-colored bodies that sparkle jewel-like in the sun, and acrobatic flight patterns reaching speeds of nearly 35 miles per hour, dragonflies are some of the more glamorous ...

BOGOTA, Colombia (AP) — The United Nations warned that mercury contamination from illegal gold mining in Colombia’s Atrato River basin has created a “serious and ongoing human rights crisis,” ...

Ocean pollution is quietly draining energy from seabirds’ cells, as mercury and forever chemicals disrupt mitochondria even ...

A small, leafy, green peanut plant grows out of a patch of dirt. When David McLagan’s team sampled mercury isotopes in cassava, maize, and peanut crops (like the one shown here) grown downwind of a ...

Mercury (Hg) is an environmental concern in the Arctic, where high concentrations are found in top predators such as polar bears and toothed whales. Despite declining atmospheric Hg emissions since ...

BOGOTA, Colombia (AP) — A global mercury conference in Geneva faced sharp criticism Friday from environmental and Indigenous groups for failing to take stronger steps against mercury use in ...