What 5 Million Data Points Tell Us About the Polar Vortex's Impact on Energy Use | Greentech Media
The polar vortex is coming—and raising the odds for intense winter weather
Home - American Polar Society
President Trump's New Polar Strategy Is the First Step to Defending the Arctic | Military.com
Map of where bears live in North America
Analysis: Polar Vortex collapse causes heavy winter for North America and the Nordics - Kjeller Vindteknikk
America and Russia work together during challenging times | WWF Arctic
Cruises to Crossing the Arctic Circle | Holland America Line Cruises
In the Arctic National Wildlife Refuge, polar bears and oil drilling do not mix | Environment America
January–February 2019 North American cold wave - Wikipedia
What is the polar vortex – and how is it linked to climate change? | US weather | The Guardian
Eight die as polar vortex brings life-threatening temperatures to US Midwest | US News | Sky News
Polar vortex coming in November: Arctic blast to central, eastern U.S.
Polar Vortex Building in North America
As Polar Vortex Stirs, Deep Freeze Threatens U.S. and Europe - Bloomberg
Polar Vortex Building in North America
See all 70 polar bears in North American Zoos (interactive) - oregonlive.com
Polar Bear Watching Trips: Tailor-Made Ideas and Group Tours | Wildlife Worldwide
In pictures: Polar vortex strikes North America - BBC News
Life on the edge: Iñupiat communities and polar bears on Alaska's wild North Slope | National Geographic
We're not the only ones... Arctic storm with POLAR VORTEX cripples America | Nature | News | Express.co.uk
The U.S. is about to get a potent polar vortex blast - Science
From Trout to Polar Bears: How the Environmental Movement Lost America - The American Conservative
Polar Imperative: A History of Arctic Sovereignty in North America by Shelagh D. Grant
