Sierra Taxonomy | Sierra Club

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

In this story: toxics, PFAS (Per- and Polyfluoroalkyl Substances), videos

By Jason Mark May 2, 2016

In this story: videos

By Krislyn Placide March 29, 2016

In this story: videos, plastic, water, fashion, activism

March 2, 2016

In this story: videos, national parks

By A. Tianna Scozzaro February 11, 2016

In this story: valentine's day, population, women, local outings, videos

Billions of gallons of water and 615 million fish

By Mackerel Dwyer January 19, 2016

In this story: coal, videos

By Wendy Becktold January 5, 2016

In this story: monuments, saving wild places, videos

By Reed McManus December 11, 2015

In this story: coal, oil, clean energy, climate change, polar bears

By Will Carruthers November 13, 2015

In this story: wildlife, videos

Watch these predators sleep, play, scrounge and scramble across the Churchill tundra

By Aliyah Kovner November 4, 2015

In this story: polar bears, climate change, federal climate policy, animals, wildlife