The Magazine of The Sierra Club
How to Create an Aquarium Where Fish Thrive
Because your pets deserve more than a tank filled with water
Latest Updates
The Bright Lights of These Little Bugs Are Dimming
How researchers and citizen scientists are tracking firefly populations and supporting conservation efforts
US Faces Triple Threat of Climate Crisis, Economic Hardship, and Donald Trump
Scientists warn Trump’s “systemic assault” on science comes as we enter an unprecedented Danger Season
Treasures
The winning essay in the 2026 Sierra Seedlings Youth Essay Contest
How a School Trip to the Marin Headlands Changed the Way I See Nature
The runner-up essay in the 2026 Sierra Seedlings Youth Essay Contest
Connecting With Nature Is Good for Kids—and for the Planet
We see evidence of that all around
To the Young (and the Young at Heart), With Hope
Small helpers and small actions can make a big difference
Even Bugs Need a Little Love
The tiny invertebrates that creep many of us out are the foundation of biodiversity
How One Maryland Community Is Fighting Data Centers and Defending Democracy
A citizen-led effort to put data center development on the ballot in November hangs in the balance
The Pending Extinction of the Northern Spotted Owl
These are the researchers dedicating their careers to protecting the bird
For the North Atlantic Right Whale, Scars Tell the Story
Fishing-gear entanglements and vessel strikes cause the whales unnecessary pain and suffering
Can a Water Renaissance Put California on a Sustainable Path?
The state's dependence on imported water is threatened by climate change and aging infrastructure
Who Gets to Graze in the West?
A federal decision has propelled a Montana nonprofit into the center of a dispute over conservation and public lands
New Cub Offers Hope for Jaguar Conservation
A Mexican state just south of Arizona has a new jaguar family
Cougar Family Goes Viral For Showing Up in the Least Likely of Places
Scientists say the discovery of a litter in Minnesota could indicate a strengthening population of these big cats
The Newest Legislative Package Could Have a Big Impact on Groceries
The Farm Bill is one of the largest funding packages for America’s food system and private conservation but faces grim odds
Critics Call Super-Pollutant Rollback “Worst Form of Gaslighting”
Trump’s EPA rolls out affordability talking points while rolling back environmental protections
New Road Crossings Help Save World’s Rarest Wolf
Design work is underway on the project in North Carolina’s Alligator River Wildlife Refuge
Will Climate Change Foul the World Cup?
From heat exhaustion to cities’ overloaded electrical grids, extreme weather threatens the future of soccer
