Katie O'Reilly

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

Ian Shive's Marine National Monuments

Stills from the film “Hidden Pacific”

By Katie O'Reilly September 19, 2019

In this story: photography, oceans

7 Sweet and Sustainable Maple-Powered Foodstuffs

Move over, cane sugar and molasses

By Katie O'Reilly September 8, 2019

In this story: buyers' guide, food and drink

The Top 20 Coolest Schools 2019

Here's how the greenest colleges of the year earned an A+

By Katie O'Reilly September 3, 2019

In this story: cool schools

Students hold Earth Day Pledge signs that say "Ride Bike to School," "Spend more time with nature," "Do more bottle runs," and "Walk to work every day."

How to Maintain Hope in the Face of Climate Catastrophe

Barry Lopez discusses “Horizon,” reverence, the human condition, and leadership

By Katie O'Reilly August 20, 2019

In this story: books

10 Sunscreens That Comply With Proposed New FDA Safety Rules

Clean, nontoxic sunscreen is having its day in the sun

By Katie O'Reilly August 8, 2019

In this story: buyers' guide

Check Out Audubon's 2019 Award-Winning Photos

Bird is the word

By Katie O'Reilly July 21, 2019

14 Father's Day Gifts That'll Get Pops Outside

Happy alfresco fathers season

By Katie O'Reilly June 11, 2019

In this story: buyers' guide, adventure

It’s Bike to Work Week for You, Steal a Bike Week for Thieves

Eight ways to hang on to your sweet ride

By Katie O'Reilly May 13, 2019

In this story: public transit, transportation

“Missing Link” Explores Adventure’s True Purpose

The new kids’ film also has a choice message about evolution

By Katie O'Reilly April 28, 2019

In this story: film

A Higher Cause: Is It Possible to Consume Organic Cannabis?

Sorry, stoners, it’s . . . complicated

By Katie O'Reilly April 20, 2019