From Trout to Polar Bears: How the Environmental Movement Lost America - The American Conservative
Life on the edge: Iñupiat communities and polar bears on Alaska's wild North Slope | National Geographic
Care For Us - Polar Bear | Wild Welfare
Endangered Species in North America | Endangered animals, Baby polar bears, Animals
Polar vortex: cold that has killed dozens to give way to 'spring-like' weather | US weather | The Guardian
Polar Vortex Building in North America
What Does 'America First' Look Like in the Arctic? | RAND
Polar Bear Watching Trips: Tailor-Made Ideas and Group Tours | Wildlife Worldwide
Map of where bears live in North America
Polar Vortex Building in North America
Eight die as polar vortex brings life-threatening temperatures to US Midwest | US News | Sky News
Weakening polar vortex may yield longer, harsher winters in North America | AccuWeather
Polar Bear Facts: Animals of North America - WorldAtlas
Polar Bears Migrate from America to Russia as Temperatures Rise
President Trump's New Polar Strategy Is the First Step to Defending the Arctic | Military.com
Polar vortex whips millions of Americans with strong winds, freezing temperatures and even snow - CNN
Environment America takes legal action to protect polar bears in Alaska | Environment America
Weakened 'polar vortex' blamed for N. American chill
America and Russia work together during challenging times | WWF Arctic
What is the polar vortex – and how is it linked to climate change? | US weather | The Guardian
The polar vortex is coming—and raising the odds for intense winter weather
In the Arctic National Wildlife Refuge, polar bears and oil drilling do not mix | Environment America
Cruises to Crossing the Arctic Circle | Holland America Line Cruises
Arctic Weather Plunges into North America
US braced for -50C temperatures as polar vortex bites
The U.S. is about to get a potent polar vortex blast - Science
Arctic Weather Plunges into North America
January–February 2019 North American cold wave - Wikipedia
