Arctic Weather Plunges into North America
In the Arctic National Wildlife Refuge, polar bears and oil drilling do not mix | Environment America
In pictures: Polar vortex strikes North America - BBC News
Polar Bear Watching Trips: Tailor-Made Ideas and Group Tours | Wildlife Worldwide
As Polar Vortex Stirs, Deep Freeze Threatens U.S. and Europe - Bloomberg
President Trump's New Polar Strategy Is the First Step to Defending the Arctic | Military.com
Care For Us - Polar Bear | Wild Welfare
What Does 'America First' Look Like in the Arctic? | RAND
We're not the only ones... Arctic storm with POLAR VORTEX cripples America | Nature | News | Express.co.uk
Life on the edge: Iñupiat communities and polar bears on Alaska's wild North Slope | National Geographic
Polar Bears Migrate from America to Russia as Temperatures Rise
America and Russia work together during challenging times | WWF Arctic
Environment America takes legal action to protect polar bears in Alaska | Environment America
US braced for -50C temperatures as polar vortex bites
Analysis: Polar Vortex collapse causes heavy winter for North America and the Nordics - Kjeller Vindteknikk
See all 70 polar bears in North American Zoos (interactive) - oregonlive.com
What is the polar vortex – and how is it linked to climate change? | US weather | The Guardian
January–February 2019 North American cold wave - Wikipedia
Polar Imperative: A History of Arctic Sovereignty in North America by Shelagh D. Grant
From Trout to Polar Bears: How the Environmental Movement Lost America - The American Conservative
Eight die as polar vortex brings life-threatening temperatures to US Midwest | US News | Sky News
Weakened 'polar vortex' blamed for N. American chill
In pictures: Polar vortex strikes North America - BBC News
The U.S. is about to get a potent polar vortex blast - Science
