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A hiker crossing the remnants of the Humboldt glacier in Venezuela

Venezuela First Country in World to Lose All Glaciers

a chimpanzee being nursed at Tacugama Sanctuary

Saving Sierra Leone's Chimpanzees

Mt. Everest, Nepal

Two Climbers Missing, Presumed Dead, on Everest

The Haiku Stairs, also known as the Stairway to Heaven, on Oahu, Hawaii.

Inside the Fight to Save a Historic Hawaii Hike

A snowboarder in Truckee, California

Etiquette of the Slopes: Tips for Being a Respectful Skier

A monastery known as the "Tiger's Nest," perches on a cliffside in Bhutan.

Earth Day: The 25 Countries Protecting Over ⅓ of Their Land

Thinking Beyond: A Brief History of Mandip Singh Soin & Ibex Expeditions

Thinking Beyond: A Brief History of Mandip Singh Soin & Ibex Expeditions