Melting Arctic opens new passages for invasive species

For the first time in roughly 2 million years, melting Arctic sea ice is connecting the north Pacific and north Atlantic oceans. The newly opened passages leave both coasts and Arctic waters vulnerable to a large wave of ...

Arctic sea-ice loss has widespread effects on wildlife

With sea ice at its lowest point in 1,500 years, how might ecological communities in the Arctic be affected by its continued and even accelerated melting over the next decades? In a review article in the journal Science, ...

Tropical plankton invade Arctic waters

For the first time, scientists have identified tropical and subtropical species of marine protozoa living in the Arctic Ocean. Apparently, they traveled thousands of miles on Atlantic currents and ended up above Norway with ...

Study warns of mercury in Arctic

Global mercury emissions could grow by 25 percent by 2020 if no action is taken to control them, posing a threat to polar bears, whales and seals and the Arctic communities who hunt those animals for food, an authoritative ...

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