Although the US banned lead-based paint in 1978, homes built before then commonly contain lead paint.

"Firearm use is a relatively unchecked source of childhood exposure to lead. There's currently no way to stop the exposure from happening..."

For a project on identifying lead water pipes in homes, outreach through partner groups produced a more representative set of volunteers.

Hundreds of wildlife rehabilitation centers across the US and Canada treat sick and injured animals and birds. Digitizing their records is yielding valuable data on human-wildlife encounters.

Some Nobel Prize-winning ideas originate in strange places, but still go on to revolutionize the scientific field. George de Hevesy’s research on radioactive tracers is one such example.

For students to learn in a safe, healthy environment, school administrators must deal with a myriad of potential environmental contaminants, from allergens to cockroaches.

Municipal waste incinerators' legacy of contamination could live on in urban soils, finds a study on lead in city parks.

Researchers found that children exposed to secondhand smoke had higher than average levels of lead in their blood.

Lead in children's blood underscores the negative health effects of policies stemming from systemic racism.

A fire and decades of silver and lead mining created the largest contiguous Superfund site in the nation in what today is one of the fastest-growing states. It includes popular Lake Coeur d’Alene.