Mercury (Hg) is a naturally occurring element found across the globe, yet it becomes highly toxic as it accumulates up the ...

Glaciers and sea ice are declining, impacting marine biodiversity, ecosystem functioning, tourism and Arctic livelihoods.

In high-latitude Arctic fjords, warming seas and reduced sea ice are boosting seaweed growth. This expansion of seaweed ...

Social media posts are claiming to disprove the effects of climate change in Antarctica by comparing the amount of sea ice ...

As Arctic ice melts, global powers seize new opportunities to extract oil, speed up trade and boost their military presence.

The Arctic’s greening from a warming climate isn’t just happening on land—it’s unfolding beneath the ocean surface too. There ...

First, strengthening cyberinfrastructure and Earth observation capabilities is critical. The development of an integrated, ...

As the Arctic continues to warm, more ice in clouds converts to liquid, increasing their heat-trapping power. This creates a ...

Chinese researchers have systematically assessed the critical role of polar regions in achieving global sustainable ...

Harvard Kennedy School Professor John Holdren and Arctic Initiative director Jennifer Spence say multiple new threats are ...

In the dim twilight of an Arctic winter's day, with the low sun stretching its orange fingers across the frozen sea, a group of researchers drill a hole through the ice and insert a hydrogen-powered ...