Katie O'Reilly

Katie O'Reilly is Sierra's former adventure and lifestyle editor. Follow her on Twitter @katieowrites.

Sierra’s Thanksgiving Survival Guide

Talking points plus cute animals, stiff beverages, and other sources of distraction

By Katie O'Reilly November 27, 2019

In this story: holidays

#OptOutside This Black Friday—and Embrace the Circular Economy

Outdoors retailers “opt to act” on climate through recommerce

By Katie O'Reilly November 25, 2019

In this story: adventure

Toxic True Crime

The drama of Dark Waters doesn’t get any more real-life

By Katie O'Reilly November 23, 2019

In this story: film, dirty fuels, fracking

Yes, Reversing the Climate Crisis Can Be Profitable

Investor Ibrahim AlHusseini talks clean energy initiatives

By Katie O'Reilly October 27, 2019

In this story: clean energy

Don’t Get Tricked Into Passing Out Industrial Palm Oil This Halloween!

Here's a bevy of animal-friendly classic treats

By Katie O'Reilly October 26, 2019

In this story: food and drink

To Have or Not to Have Children in the Age of Climate Change

Dispatches from one millennial's uterus

By Katie O'Reilly November 1, 2019

In this story: gender, population

For This Outdoor Drag Queen, the Trail Is a Runway

Instagram star Pattie Gonia celebrates self-acceptance in the backcountry

By Katie O'Reilly November 5, 2019

In this story: hiking, gender

Meet "Team Fat Bat"—Scientists Try to Save Victims of White-Nose Syndrome

Happy Bat Week 2019

By Katie O'Reilly October 24, 2019

Ilana Glazer's Vision for a New World Order

The comedy "kween" sees the future as female and partnership-based

By Katie O'Reilly November 4, 2019

In this story: climate change, gender

Ilana Glazer is on stage, holding a mic and looking to her right. She's wearing cut-off jean shorts and a teal T-shirt.

Jonathan Safran Foer's Manifesto

“We Are the Weather” gets honest about the eco-sinners' struggle

By Katie O'Reilly September 28, 2019

In this story: books