Jason Mark


Jason Mark is the author of Satellites in the High Country: Searching for the Wild in the Age of Man, and the editor of SIERRA magazine.

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The Dakota Access Pipeline battle is just the tip of the iceberg. Across North America, a reinvigorated Native sovereignty movement is flexing its muscles—and racking up victories. Read more

Civil Rights in America


(Photo: AP/Mosa'ab Elshamy)

Environmentalists prepare for a long, hard fight in the age of Trump. Read more

Money, Politics and Power


(Photo: AP/Rick Bowmer)

A swath of high desert known as Bears Ears has become ground zero in the long-running battle over the nation’s public lands. Read more

Money, Politics and Power


National Park Service via AP

While the 100-year old National Parks Service still enjoys widespread public support, conservative attacks put the future of public lands in jeopardy. Read more

Energy and the Environment


AP Images/Google

Do we really want Google to photo-map the wilderness?  Read more

Money, Politics and Power

Human manipulation of the climate might be the quickest way to combat global warming. It's also the most frightening. Read more

America and the World



As climate change worsens, the internal strains in the environmentalist movement are starting to show. Read more

Money, Politics and Power


(Flickr/Josh Parrish)

A fight against planned coal-export terminals in the Pacific Northwest is becoming the next big climate battle. Read more

Energy and the Environment

Passage of the transportation reauthorization bill would finally shift us toward more environmentally sustainable communities. Read more