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In Colorado, residents clash over a plan for managing wildlife

How one small town in Pennsylvania is successfully fighting the fracked gas industry

It’s the first US bank to make such a commitment

The Chinese government is laying plans for trillions of dollars of new ports, rail lines, and roads across the globe

Plus tips for skiing the unpatrolled slopes safely this winter

Get your loved ones out exploring in comfort, safety, and the utmost fabulosity

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Tiny particles in wildfire smoke, PM2.5 pollution, wreak havoc on human health

International community makes clear that it will tackle the climate crisis

Mostly practical—yet also delightful—holiday presents

Wildfire may help bats adapt to climate change and white-nose syndrome

In attacking clean-car standards, Trump takes on an opponent who can punch back

11 lean, green, and tiny-but-mighty presents

Is man’s best friend also nature’s best protector?

Dozens of people demonstrated against a gas pipeline and export terminal in Oregon

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Sierra's holiday gift guide for the junior set

The “Dead Astronauts” author makes art out of climate collapse

Conservationists, recreationists, and developers collide over the Okanagan

Residents complain that Jair Bolsonaro's government has been slow to respond