'Unprecedented' Jet Stream Pushing Warm Air Into Arctic

For the second consecutive year, the northern reaches of the planet are experiencing unprecedented waves of warm air.

And climate researchers say they've never seen anything like it.

Unprecedented warm weather

To try and understand what is going on, VOA spoke with Mark Serreze, the director of the National Snow and Ice Data Center (NSIDC) based in Denver, Colorado.

The center does all kinds of things, from helping the Navy spot and avoid sea ice, to monitoring the temperatures, weather systems and extent of the sea ice covering the Arctic and Antarctic throughout the year.

Climate Change Could Open Up Another Arctic Shipping Route

By Kate Wheeling

Russian researchers find that, by the end of the century, the Northern Sea Route, which hugs the Russian coast opposite the Northwest Passage, could be navigable for more than half the year.

The Arctic is warming faster than any other region on Earth. As Arctic ice levels dwindle through hotter summers and milder winters, the region has opened up to the shipping and energy industries. A new study finds that one shipping route—the Northern Sea Route—could be navigable for more than half the year by the end of the century.

Increased activity in warming Arctic piques interest of Lower 48 National Guard leaders

By Yereth Rosen  
National Guard officials from more than a fourth of the states say they're so interested in the future of the Arctic that they want to be part of an Alaska-led effort for training, supplies and operations.