Articles

May Astronomical Highlight: A Gala of Galaxies

Los Angeles and Mayor Garcetti Are Leading on Climate.

From Attendee to Organizer in Alabama

In Vancouver, Washington, a Mother Helps Defend a “Thin Green Line”

“Missing Link” Explores Adventure’s True Purpose

ICYMI: Notre Dame’s Bees, Lobbyist Sleaze, Where to Charge EVs & More

7 Books About Trees to Help You Celebrate Arbor Day

Better Days

The State of the Air Is Worsening as Climate Impacts Multiply

Is Any Canned Tuna Truly Dolphin-Safe?

Is Sterilization the Answer to Too Many Urban Deer?

Reinventing Power in Nevada: New 100% RPS Bill Becomes Law

My Transformative Week on the Border with Military Outdoors

Our 2019 Electric Vehicle Guide Is Here

From Guthrie to Greta

Sierra Club Acknowledges Indigenous Peoples of California

Veterans Speak About the Border

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

Bay Area's Massive Marsh Restoration Project Takes Root

ICYMI: Scaredy Sharks, Zombie Pigs, Shame of Flying & More

Of Change and Heart

Coal-Ravaged Indian Fishers Take to the Supreme Court

Colorado Speeds Ahead With EVs

Jennifer Flattery Is a Happy (Snow) Camper

The Overstory: Underwater

We Were Poor, But the Beach Was Ours

Solar Heating Is for Low-Income Folks Too

For This Teen, Graywater Is the New Recycling

Climate Change Costs Are Starting to Bite Business

Why Women? Why Now?

High-Tech Farmers Are Adapting to a Changing World

The Other Carbon Dioxide Problem

Electrifying Your Home Is Good for You

How to Survive an Encounter With an Alligator

Party Like It’s Earth Day 2019

10 Must-Haves for Trail Runners

A Cyclist Goes It Alone on Nevada's Highway 50

Supermarket Decoder: How to Interpret Major Food Labels

Inside Early Explorers' Journals

Airpocalypse Now

The Intricate Webs That Keep Us Alive

An Immodest Proposal: Parks Without People

A Vision for Our Best America

Everybody Needs Beauty

The Secret Life of Calabazas Creek

Let's Make Colorado Clean Energy History Again!

The Great White Sharks of Isla Guadalupe

Summiting for Local Clean Energy in the Bay State

The T. Rex in the Room at the DC Auto Show

7 Ways to Bike Tour This Summer

Queremos Sol, No Fracked Gas!

Chicago Goes All In On Clean Energy

“Rolling Coal” Backfires

ICYMI: Black Hole, New Humans, Trashy Eagles & More

Sierra Club Celebrates National Volunteer Week: Fran Silva-Blayney

Chicago Commits to 100 Percent Clean Energy

A Stomach-Churning Nominee

When You Drill, You Spill

Trump Administration Wants More Wolves off Endangered Species List

“Ozone Hole” Shows That We Avoided Planetary Disaster Before

With Limited Funds, Is It Better to Buy Solar or an EV?

Is Your Bank Financing Climate Catastrophe?

Diapers and Pads May Be Leaching Chemicals Into Our Bodies

Fracked Gas Pipelines Are Good for You

In the Face of Climate Change, Cities and States Continue to Lead On Clean Energy

Behind the Scenes With Netflix's “Our Planet”

Our Planet, Ourselves

ICYMI: Selfie Epidemic, Clever Skink, Smelly Denali & More

Trucks: The Next & Necessary Frontier of Electric Vehicles

Take Me to the River

Communities Fight to Protect New Mexico's Greater Chaco from Bernhardt and Fracking

North Carolina to Duke Energy: Clean Up Your Coal Ash

A Guide for Transit Agencies and Others to Use the VW Settlement for Clean Transportation

Protecting Florida's River of Grass

Lost in the Flood

Suburbia Doesn't Have to Be This Way

10 Ways to Celebrate Earth Month

‘Nos Tratan como a Conquistados’/‘They Treat Us Like a Conquered People’

ICYMI: Heli-Poppying, Hovercraft Moose Hunting, Toad Plague & More

April Astronomical Highlights: A Planet or Two, and Lots of Stars

Wonder Women

Goats Are People Too

What Is the Environmental Impact of Motorized Recreation?

Climate Adaptation in Coffee Country

Trump Administration Budget Threatens Wildlife and Public Lands

Grasping at Straws: Duke Concedes ACP “Plan B” May Be Needed

Meet Mr. Link

Fracking in Arizona Could Lead to the Next Helium Boom

Wave of Activists Demand Green Congressional Agenda

Recapturing the Night

This Women's History Month, Take It Outside

New Mexico Embraces Fossil Fuel-Free Future

Kids to Public Officials: We Belong Outdoors

On World Water Day, Say No to the EPA’s Dirty Water Rule

Trump Administration Budget Threatens Public Health, Environment

The People of Color Who Keep Outdoorsy Towns Running

Is the EPA Helping to Poison Bees?

ICYMI: Newly Edible Fish, Big MF Snake, Hero Teen & More

South Texans Won’t Back Down Against Fracked Gas Exports

"Our Voice Matters"