Jason Mark

Jason Mark was the editor in chief of Sierra from 2015 to 2024. He is the author of Satellites in the High Country: Searching for the Wild in the Age of Man, and he's currently working on a new book about shifting baseline syndrome. Find him on Bluesky.

The Top Ten Environmental Stories of 2015

By Jason Mark December 21, 2015

In this story: clean energy, dirty energy, saving wild places, climate negotiations, international climate policy

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Oil and Agriculture Don't Mix

By Jason Mark December 10, 2015

In this story: agriculture, oil

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Meet Sierra's New Editor in Chief

By Jason Mark December 4, 2015

In this story: activism, hiking

Jason Mark, Sierra magazine's new editor in chief

Vegan Recipe-Testing with Mark Bittman

Behind the scenes at the meal kit delivery startup, The Purple Carrot

By Jason Mark November 12, 2015

In this story: food and drink, vegan

Behind the scenes at the meal kit delivery startup, The Purple Carrot

Keystone XL Victory: To Win a Fight, You Have to Pick One

Obama’s pipeline rejection a huge win for citizen action

By Jason Mark November 6, 2015

In this story: keystone xl, federal policy, oil, activism

Obama’s pipeline rejection a huge win for citizen action.

In Defense of Henry David Thoreau

New literary revisionism might make the seer of Walden Pond more relevant to readers today

By Jason Mark October 27, 2015

In this story: activism, books

New literary revisionism might make the seer of Walden Pond more relevant to readers today.

Why I’m Suing VW

I thought I was buying a “green car.” What a fraud.

By Jason Mark October 15, 2015

In this story: electric vehicles, vehicle standards

I thought I was buying a “green car.” What a fraud.

Climate Change Comes to the Arctic

Alaska's Arctic refuge is already wild; it's time to declare it a wilderness.

By Jason Mark June 1, 2015

In this story: saving wild places, wilderness, grizzlies, arctic fox

Alaska's Arctic refuge is already wild; it's time to declare it a wilderness.