Wilderness

Where are Earth's largest nature reserves?

5 venomous animals that could save your life

Why do the leaves of some trees turn brown but not drop?

7 must-see films at the 2017 Environmental Film Festival

Humans are responsible for 80 percent of U.S. wildfires

15 of the most remote places on Earth

Do grizzly bears belong in Washington state?

Army Corps of Engineers clears way for Dakota Access Pipeline

12 of the most inspirational female adventurers

Scientists finally explain mysterious 'fairy circles' found in Namibia

10 women who changed the way we see nature

Americans are quietly preserving 56 million acres of private land

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