Skip to main content
ShapeCombined ShapeCombined ShapeShapeCombined Shapeic_video_youtube_blackSC Logo_Horiz Web Black
Donate
Sierra Magazine's logo

The Magazine of The Sierra Club

SIERRA User Menu

  • Subscribe
  • Login

SIERRA Main Menu

  • Climate
    • Clean Energy
    • Climate Disruption
    • Dirty Energy
    • Toxics
    • Transportation
  • Lands & Waters
    • Ecology and Science
    • Parks & Wilderness
    • Saving Wild Places
    • Oceans
    • Exploring Outdoors
  • Wildlife & Conservation
    • Animal Conservation
    • Endangered Species
    • Environment, Explained
    • Insects
  • Culture & the Arts
    • Ask Ms. Green
    • Books
    • Film & TV
    • Food And Drink
    • Music
    • Photo Slideshows
    • Poetry
    • Videos
  • Joy
    • Animal Pics
    • Gee Whiz
    • Joyful Eating
    • Kids' Corner
    • People-Powered Change
    • Wonder
  • About Us
    • Current Issue
    • Past Issues
    • How to Subscribe
    • "Seedlings" Essay Contest
    • Fellowship Program
    • How to Contact
    • Pitch Us Your Story
  • Donate

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.
 

Zinke Moves to Downsize Bears Ears Despite Overwhelming Public Support

Interior secretary, stuck between rock and hard place, attempts a Solomonic decision
By Jason Mark June 12, 2017
In this story: monuments
filename

Left Behind: Trump’s Paris Agreement Withdrawal Leaves the U.S. in the Dust

Trump’s decision threatens to isolate and impoverish us
By Jason Mark June 1, 2017
In this story: climate change, international climate policy
filename

From the Editor: Profiles in Courage

U.S. environmentalists need to stand in solidarity with indigenous environmental activists facing repression
By Jason Mark June 16, 2017
In this story: climate change, activism
Sierra magazine cover

The Sierra Club Turns 125

A look back at some of our favorite moments
By Jason Mark May 26, 2017
In this story: inspiring connections outdoors
filename

How Trump’s Attempted Rollback of Oil and Gas Rules Went Down in Flames

Environmentalists see a blueprint for stopping the Trump agenda
By Jason Mark May 11, 2017
filename

A Monumental Fight Is Brewing Over America’s Public Lands

Grassroots groups prepare counteroffensive to Trump and Zinke
By Jason Mark May 8, 2017
In this story: national parks, monuments
filename

Meet the Grandmother Standing Up to the Coal Mining Industry

Wendy Bowman to receive Goldman Environmental Prize for opposing coal companies
By Jason Mark April 24, 2017
In this story: activism, dirty energy
filename

Earth Day Used to Be Rad. What Happened?

Forget Buying Stuff. Get in the Streets.
By Jason Mark April 21, 2017
In this story: earth day, activism, climate change
filename

Posters Imagine Climate Change Wrecking Our Iconic Landscapes

Artist Hannah Rothstein hacks classic artworks as a warning about climate chaos
By Jason Mark April 19, 2017
In this story: national parks, art, climate change
filename

Turning Walls Into Bridges

Sierra Editor Jason Mark reflects on the history of the Sierra Club
By Jason Mark April 17, 2017
In this story: national parks, John Muir
Sierra magazine cover
  • «
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • »
Sierra Club
JOIN RENEW DONATE

The Sierra Club

  • Blogs
  • Get Outdoors
  • Join The Sierra Club

SIERRA Magazine

  • Subscribe
  • Current Issue
  • RSS Feed

About Sierra

  • Fellowships
  • Partner With Us
  • About Us
  • Find us on facebook
  • Find us on instagram
  • Find us on bluesky
Privacy Policy/Your California Privacy Rights Terms and Conditions of Use Your Privacy Choices Cookie Policy

Sierra Club® and "Explore, enjoy and protect the planet"® are registered trademarks of the Sierra Club. © Sierra Club 2026.
The Sierra Club Seal is a registered copyright, service mark, and trademark of the Sierra Club.