Tag: PCBs

Polar bears may seem a long way from civilization, but they’re vulnerable to dangerous chemicals that end up in the environment. These toxins get into the water and work their...

Chemicals long-banned in the U.S. like DDT and PCBs continue to pose a risk to California condors, researchers found, as the critically endangered raptors feed on contaminated marine mammals along...

Four decades after PCBs were banned, the chemicals are still present in the environment and affecting wildlife. Researchers in New York found chickadees and song sparrows that ate contaminated insects...

Researchers believe a cancer that has killed sea lions in California for years is linked to toxic chemicals in the water. After two decades of research, scientists concluded a previously...

American mink (Neovison vison) populations along New York’s Hudson River are declining, and researchers say it may be due to water pollution. A recent study commissioned by the inter-government Hudson...

Contaminants in the environment can have a range of harmful impacts on threatened wildlife, but without extensive field work, it’s hard to gauge what those impacts are. A group of...

Marine mammals are so polluted that they are poisoning endangered condors, according to a new study. California condors (Gymnogyps californianus) that fed on marine mammal carcasses had high blood levels...

Sitting at the top of the food chain as the world’s largest land carnivore has its benefits. You have your choice of food and few predators to confront. But a...