Medical examiner says Alaska man who died after ingesting crab was victim of heart disease

Heart, not shellfish, to blame in AK man’s death

Residents at Pa. hearing tell EPA natural gas drilling technique is poisoning their water

Residents tell EPA Pa. gas drilling poisons water

Arsenic in drinking water of millions in Bangladesh, called worst mass poisoning in history

Arsenic water killing 1 in 5 exposed in Bangladesh

Tainted ponds kill cattle and children play in contaminated fields in Nigerian lead crisis

Environmental damage looms in Nigerian lead crisis

Gold, and lead, bring illness and death to poor villages in northern Nigeria

Gold, and lead, bring illness and death in Nigeria

CDC: Nigerian lead poisoning outbreak ‘unprecedented’ as doctors struggle to help ill children

CDC: Nigeria lead poisoning crisis ‘unprecedented’

Officials say poisoning mission in Chicago-area river kills many fish, but no Asian carp found

Chicago poisoning operation finds no Asian carp

1st California condor chick to hatch within national park gets sick from lead poisoning

Calif condor chick gets sick with lead poisoning

Japanese in village known for dolphin hunts have dangerous high mercury levels, but no illness

Mercury high in Japanese town that hunts dolphins

China investigating elevated lead levels in children thought linked to local smelters

China investigating child lead poisoning cases

Calif condor couple lays first egg at Pinnacles National Monument in more than century

Calif condor couple lays egg at Pinnacles park

Officials: 3 California condors die of lead poisoning in Arizona, 1st such deaths in 3 years

3 Calif. condors die of lead poisoning in Arizona

Lawmakers seek $20 million for study of poisoning Asian carp to prevent Great Lakes invasion

Congress to seek more money to fight Asian carp

New York scientists to study effects of human exposure to everyday environmental toxins

NY scientists to study affect of everyday toxins