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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.
     

    President Obama Establishes Two New National Monuments in Nevada and Utah

    Bears Ears and Gold Butte will complete the creation of a massive wildlife corridor in the Southwest
    By Jason Mark December 28, 2016
    In this story: monuments
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    The Most Important Environmental Stories of 2016

    A look back at this year’s headlines—and a glimpse of things to come
    By Jason Mark December 24, 2016
    In this story: clean energy, politics
    filename

    The United States of ExxonMobil?

    The U.S. Senate should block the nomination of Rex Tillerson as secretary of state
    By Jason Mark December 13, 2016
    In this story: politics
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    Share and Share Alike

    To preserve Earth's wild beauty, we need to both spare land and share land, says Sierra's editor in chief
    By Jason Mark December 22, 2016
    In this story: wilderness
    Pett-toon

    Get Out There: The Backstory of REI’s #OptOutside Campaign

    Ditch the Black Friday mobs and take a walk in the woods
    By Jason Mark November 22, 2016
    In this story: inspiring connections outdoors
    Outdoors

    Not a Pretty Picture: Life at the Epicenter of Fracking Country

    Photographers reveal the damage and disruptions from the shale gas boom
    By Jason Mark November 16, 2016
    In this story: fracking
    Fracking

    Federal Judge Greenlights Landmark Climate Change Lawsuit

    Class action lawsuit pitting youth against the federal government will go to trial
    By Jason Mark November 10, 2016
    In this story: climate change, politics, education, activism
    The Our Children's Trust plaintiffs and allies at the federal courthouse in Eugene, Oregon.

    A Former Catholic Nun, Former GOP Member Raise the Alarm About Climate Change

    In some communities, it takes a lot of courage to acknowledge that global warming is a clear and present danger
    By Jason Mark October 12, 2016
    In this story: climate change, politics
    Claire Anterea

    Funhogs and Treehuggers, Together at Last

    An effort is underway to form a stronger conservation movement from the disparate strands of the outdoor recreation community
    By Jason Mark October 11, 2016
    In this story: saving wild places, activism, biking, hiking, skiing
    Mountain biking

    We Eat the Machine, and the Machine Eats Us

    By Jason Mark September 30, 2016
    In this story: oil
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