Expedition to the End of the Worldis both a literal and figurative journey for a group of adventurers identified mysteriously as “A Captain,” “An Artist” and “A Marine Biologist.” Along with several others, they sail a three-masted ship — much like pirates — deep into a fjord in Greenland. The water channel, iced over for millenia, is open to exploration only now because of the warming planet and melting glaciers.

Mountainfilm audiences have come to know the hyper-achieving Dr. Geoff Tabin, a world-class climber who has ascended the Seven Summits and who is best known for dramatically changing the rates of curable blindness in Nepal and Rwanda.

Jeremy Scahill, a reporter for The Nation and the protagonist of Dirty Wars, travels through some tough terrain (literally and metaphorically) to tell a disturbing story about American military might gone bad. Scahill weaves together the tragic effects of a drone strike intended for a cabal of terrorists that ended up hitting a Yemeni wedding party instead. The common thread running throughout his investigation is the shadowy, top-secret part of the military called the Joint Special Operations Command.

One spring day, the guys from Ebis Films ventured into the mountains of Japan for a shoot and couldn’t help but notice the surreal, silvery quality of the snow, which had been glossed over with a fine-film crust. It reminded them so much of a photo featured in Kuroi Spur (The Black Line), the 1965 book by pioneering skiing cinematographer Keizo Miura, that they made this three-minute vignette as a tribute. In it, snowflakes waft like fine metal shavings, snow dust floats over the crust like a specter and ski tracks look like graphite lines on a chrome-finished slope.

The tragic, yet inspiring, story of Tim Hetherington is told in the moving documentary Which Way is the Front Line from Here? In the brilliant and haunting Diary, Hetherington tells his own story. This short, impressionistic film is a pastiche of his own personal impressions drawn from the remarkable life he led as a war photographer, which took him to some of the worst places on the earth.

Governor Andrew Cuomo is considering lifting a moratorium against fracking in the state of New York. As he ponders this decision, he faces tremendous pressure on both sides.

Too often, true heroes do not get medals. Which is not to say that Kevin Pearce, the subject of this unflinching film by Oscar-nominated director Lucy Walker, has not had his share of podium time. He’s one of the few snowboarders in the world to nab the gold from Shaun White, but his heroics have nothing to do with launching himself higher, making evermore convoluted spins or perfecting impossible landings. It has to do with more difficult matters — like will, spirit and acceptance — and that’s why Pearce deserves a medal of the highest luster.

He makes it look easy, but what climber Will Atkinson does in Coming Up For Air is extremely hard. This short film by Jen Randall points the lens on Atkinson as he sends a new 8a boulder problem at The Plantation in Stanage in England. The problem is a direct start to big air that requires an acrobatic move and massive strength.

Solutions to climate change are challenging enough to implement, but opposition from a well-organized and deeply funded group — that doesn’t accept global warming as the result of human impact — makes it near impossible. This documentary, produced for the PBS series “Frontline” and reported and narrated by John Hockenberry (host of the 2013 Moving Mountains Symposium), investigates this community of climate deniers and examines how and why it sows dangerous seeds of doubt.

When a crew of filmmakers and kayakers head to the Mexican jungle to hunt big waterfalls, they find a place of unrelenting rain, heinous insects, thick mud, scary viruses and utter perfection. Cascada, another gorgeous short film by Forge Motion Pictures, follows the crew as they explore a world beyond expectations, where biting flies, tangled vines and shoddy hotel rooms can’t detract from the unrivaled waterfalls and powerful rapids they discover.