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. 


The Invisible Nightmare in Your Fleece

Billions of non-biodegradable microfibers from our clothing eventually make their way to our waterways, where they can have significant negative effects on aquatic ecosystems. Now that the problem...

The Dirty Secret Hiding in Our Outerwear

Patagonia pulled on a thread and found migrant workers suffering under servitude in its supply chain. Will its disclosures prompt other brands to air their dirty laundry (or even look for it), as...

Waterproof, Breathable, and Toxin-Free

Your ski jacket is full of petrochemicals. Ditto a fair amount of the other clothing in your closet that attains that magical, paradoxical state of being both waterproof and breathable when you’re...