Sierra Videos

Line 5

Meet the People Resisting the Enbridge Line 5 Pipeline

March 16, 2023

Illustration shows a megaphone and various food, clothes, and floss.
Material World

PFAS Are Everywhere. We Need Systems Change to Fix That.

Here's what you need to know and how to avoid these toxic chemicals

By Jessian Choy

December 26, 2022

Nighttime photo shows a sprawling facility with many lit structures, train tracks, trucks, and activity.
Feature

These Are the New Titans of Plastic

Pennsylvania is just the latest sacrifice zone for the plastics industry

By Kristina Marusic

September 15, 2022

What is the Average Lifespan of a Rüppell's Vulture?

April 12, 2022

Climate Change Forces Farmers to Migrate North

August 28, 2020

What's More Eco-Friendly: Bamboo or Post-Consumer Toilet Paper?

June 2, 2020

The Great Plant-Based Burger Taste Test

March 12, 2020

Meet Andrea Dunlap of Makani Technologies

February 27, 2020

What's the Environmental Impact of Going Vegan?

February 3, 2020

Meet Leila Madrone of Sunfolding

January 21, 2020

What's the Greenest Christmas Tree?

November 29, 2019

Meet Ms. Green

November 12, 2019