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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.
 

The Climate-Wrecking Industry—and How to Beat It

Insisting that we’re all responsible for global warming lets the biggest corporate polluters off the hook
By Jason Mark August 30, 2018
In this story: climate change
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Public Lands Belong to All of Us

The public lands of the West aren't the exclusive property of ranchers, loggers, and miners
By Jason Mark August 31, 2018
In this story: public lands
Public Lands Belong to All of Us

When Fossil Fuel Money Talks, the DNC Listens

The DNC drew a bright line against oil money. Then Tom Perez smudged it out.
By Jason Mark August 17, 2018
In this story: money in politics
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Henry Coe State Park Is the Bay Area’s Best-Kept Backpacking Secret

Please don’t tell anyone else
By Jason Mark July 25, 2018
In this story: backpacking, camping, hiking
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Baltimore Becomes Latest Local Government to Sue Big Oil for Climate Change

Scholars say state suits have a better chance of success, compared to federal suits
By Jason Mark July 20, 2018
In this story: climate change
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Scott Pruitt Wasted Too Much of Our Time—And the Planet’s as Well

Pruitt couldn’t even do dastardly right, but inaction and incompetence are their own threats
By Jason Mark July 6, 2018
In this story: federal policy, politics, climate change, activism, democracy
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Rhode Island Becomes First State to Sue Big Oil Over Climate Change

The Ocean State seeks to recover costs associated with climate impacts
By Jason Mark July 2, 2018
In this story: climate change
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Judge Tosses SF and Oakland Lawsuits Targeting Big Oil

Ruling is a setback to holding major carbon polluters liable for climate change
By Jason Mark June 26, 2018
In this story: climate change
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John Wesley Powell and the "Great Unknown"

A raft of new books celebrate the 1869 Powell expedition
By Jason Mark July 3, 2018
In this story: books
A raft of new books celebrate the 1869 Powell expedition

Sierra Magazine's Special Issue Celebrating U.S. Rivers

We've ruined too many of our rivers, but a unique law gives us a chance to protect many others
By Jason Mark June 28, 2018
In this story: water, inspiring connections outdoors
Sierra magazine's special issue celebrating American Rivers
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