In the Canadian Arctic, a mystery has troubled scientists and local communities for decades: Why do marine animals in the western Arctic have higher mercury levels than those in the east? The trend is ...

Despite falling global mercury emissions, mercury levels in Arctic wildlife continue to rise. A new study reveals that ocean currents are delivering legacy mercury pollution from distant regions like ...

Learn about the effects of a changing climate on the Arctic ecosystem and four of its well-known mammals: the polar bear, the walrus, the Arctic fox and the beluga whale. The term “climate change” ...