Mary Catherine O'Connor

Mary Catherine O'Connor

Mary Catherine O'Connor (@mcoc) is a freelance journalist who writes the Adventure Ethics column, about the intersection of adventure and environment, for Outside online. 

Published

Why You Need to Know about Open-Trail Data

Nearly unlimited transit and trail data is coming to an app near you. And whether you're seeking singletrack or chasing a commuter train, that's a very big deal.

Mary Catherine O'Connor
Jun 10, 2014

Will Obama's New Pollution Regs Kill Coal?

Newly prescribed pollution limits are sure to push coal further out of the U.S. energy mix—but overseas demand might help keep coal cranking stateside.

Mary Catherine O'Connor
Jun 3, 2014

How a Rogue Gray Wolf Got "Twitter-Famous"

Last year, a lone wolf became the first to enter California in nearly a century. Now, with his own Twitter feed and a new mate, he's kind of a big deal.

Mary Catherine O'Connor
May 23, 2014

The Puppet Masters of Public-Land Protests

A showdown at a Utah canyon pits ATV users against the BLM. But the real operators in public-land disputes are out of view—and out to use sportsmen to advance their cause.

Mary Catherine O'Connor
May 8, 2014

Everest Is Melting

Some climate scientists argue that it's getting warmer faster at high altitude. And that could spell disaster for mountaineers.

Mary Catherine O'Connor
May 5, 2014

Your Face Scrub Is a Serious Pollutant

That fancy exfoliating wash cream you just dropped a bundle on? It may be full of "microbeads" and mucking up some major waterways.

Mary Catherine O'Connor
Apr 25, 2014

The Climate-Change Revolution WILL Be Televised

Harrison Ford, Jessica Alba, Arnold Schwarzenegger, Mark Bittman and other mega-celebs lend a hand to the new Showtime series, Years of Living Dangerously—where Hollywood meets wake-up call.

Mary Catherine O'Connor
Apr 7, 2014

Malaria Is Moving Up in the World

A new study indicates that climate change will bring the disease, and the bugs that carry it, previously uninfected areas.

Mary Catherine O'Connor
Mar 11, 2014

Bison and the Battle Over Public Lands

Conservations want the iconic animals to roam free once again. But many ranchers believe rewilding is a really bad idea.

Mary Catherine O'Connor
Mar 11, 2014