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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.
 

Nature Rx: The Outdoors Can Be an Antidote to Quarantine Anxiety

Getting outside is one way to relieve the stress of social distancing
By Jason Mark March 17, 2020
In this story: hiking, coronavirus
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How Earth Day Launched My Environmentalist Career

Rallies and protests like Earth Day are key to building a movement
By Jason Mark February 28, 2020
In this story: earth day
Students in their school uniforms walk and hold a banner that says Earth, on the first Earth Day in 1970.

The Most Important Environmental Stories of 2019

Here are the issues that shaped the past year—and will ripple out in 2020
By Jason Mark December 26, 2019
In this story: climate change
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A Conversation With E.O. Wilson

The eminent biologist discusses his “Half-Earth” vision and adventures with ants
By Jason Mark December 28, 2019
In this story: climate change
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Is Geoengineering a Solution to Global Warming?

"After Geoengineering" documents a spectrum of planetary interventions
By Jason Mark December 29, 2019
In this story: books, climate change
"After Geoengineering" documents a spectrum of planetary interventions

How the Environmental Movement Can Go Beyond NIMBY-ism

Dirty and dangerous industries shouldn't be in anyone's backyard
By Jason Mark December 18, 2019
In this story: methane gas, public lands
Photo by Mike Belleme

'Tis the Season for Books About the Green New Deal

Sierra reviews books by Kate Aronoff, Naomi Klein, Jeremy Rifkin, and others
By Jason Mark , Jonathan Hahn , Heather Smith , Rebecca Stoner November 27, 2019
In this story: books
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Yes, Actually, Individual Responsibility Is Essential to Solving the Climate Crisis

Personal sacrifices are necessary, and greens should be honest about that
By Jason Mark November 26, 2019
In this story: climate change
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World on Fire

Youth-led climate strikes sweep the planet on global day of action
By Jason Mark September 20, 2019
In this story: climate change, activism
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You Can’t Put a Price Tag on Life

An attack on the Endangered Species Act violates a bedrock conservation law
By Jason Mark September 16, 2019
In this story: endangered species
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