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. 


strava, open data, open trail data, public transit

Beyond Strava

Public transit and trail data is becoming truly public. And whether you're biking to work or squeezing into a bus, that's a huge deal.

Why Obama's New Regs Scare Big Coal

New emissions limits are sure to push coal further out of the U.S. energy mix, but what's to stop that carbon from being shipped overseas?

Is Consumerism The Climate's Enemy?

In his new book, The Big Pivot: Radically Practical Strategies for a Hotter, Scarcer, and More Open World, Andrew Winston argues that environmental changes are forcing companies that make our cars,...

Everest Is Melting

The poles are melting, but so are high mountain ranges in and near the tropics.

OutsideOnline The Footprint 5 Gyres plastic tiny bits ocean change

Your Face Scrub Is a Serious Pollutant

In 2012, advocacy group 5 Gyres, which had theretofore been focused on drawing attention to the epidemic of ocean trash and the impact photo-degraded plastic is having on ocean ecosystems, turned its...

mosquito blood sucker ouch itch

Malaria Rising

A new study puts hard numbers behind the theory that as the planet warms, malaria will creep into higher elevations.