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Arctic sea ice decline driving ocean phytoplankton farther north

Phytoplankton blooms that form the base of the marine food web are expanding northward into ice-free waters where they have never been seen before,...

Many Arctic pollutants decrease after market removal and regulation

Levels of some persistent organic pollutants (POPs) regulated by the Stockholm Convention are decreasing in the Arctic, according to an international team of researchers...

Ecosystems are getting greener in the Arctic

In recent decades, scientists have noted a surge in Arctic plant growth as a symptom of climate change. But without observations showing exactly when...

Shifting tundra vegetation spells change for arctic animals

For nearly two decades, scientists have noted dramatic changes in arctic tundra habitat. Ankle-high grasses and sedges have given way to a sea of...

Sea ice algae blooms in the dark

Researchers from Aarhus University have measured a new world record: Small ice algae on the underside of the Arctic sea ice live and grow...

Polar bears struggle with catching seals to meet energy demands

A new study finds polar bears in the wild have higher metabolic rates than previously thought, and as climate change alters their environment a...

Shedding light on arctic zooplankton in the dark

Some of the smallest creatures on the planet -- zooplankton -- make the most widespread vertical migration of biomass on Earth. Billions of these...

Mothers and young muskoxen struggle as Arctic warms

A new study from WCS (Wildlife Conservation Society) and partners reveals for the first time the ways in which wild weather swings and extreme...