The Magazine of The Sierra Club
Caving Pennsylvania’s Laurel Caverns
A new state park promises an underground experience like no other
Latest Updates
Kelp Forests Are Vanishing Along California’s Coast
Here’s why, and what’s being done about it
Two Florida Coral Species Were Nearly Wiped Out by a Heat Wave
Corals are the canary in the coal mine for oceans, and they’re sending researchers troubling signals
Decades of Drought Are Changing How Paleontologists Search for Fossils
As the planet gets hotter, relics of history are receding from view
A Megadrought Is Reshaping Birdlife in the Southwest
A recent bad year for elegant trogons is only the latest in a string of changes
Eyes Without a Face
These marine mollusks know how to play peekaboo
Why Trees Often Signify Wealth
Federal funding cuts threaten to widen the gap in who gets to plant trees
Earth Breaches Seventh Planetary Boundary as Oceans Become More Acidic
The planet is increasingly in danger of exiting the “safe operating space” for life
In this story:
climate change
Robert Redford’s First Environmental Fight
The actor was an activist determined to protect, land, air, and water
The Real Reason the Feds Want to Revive Coal
Attempts to bring back a dying industry could increase your energy bills
Mycorrhizal Fungi Can Restore Ecosystems. Here’s How.
This library of spores specializes in growing and distributing the essential organisms
The Future of Conservation: Indigenous Ways Meet Western Science
Collaboration and co-stewardship are bringing positive change across the country
Can an Ultrasonic Device Burst the Algal Bloom Bubble?
Sound waves show some promise in keeping toxic cyanobacteria at bay
Here’s Why Maine Just Had Its Worst Fire Season in Years
This past August saw more brush fires across one of the least likely places to burn
As Shutdown Drags On, Public Lands, Programs, and Jobs Hang in the Balance
The longer federal agencies are shuttered, the more the damage will spread
The End of an Era for Arctic Research
The loss of the Arctic Research Consortium of the United States leaves an uncertain future for science in the Far North
How to Watch Dolphins Without Leaving the Shore
A rare feeding habit brings dolphins closer than ever and helps them live year-round in South Carolina
Can Bison Ever Reclaim Their Historic Range East of the Mississippi?
Some groups are trying to restore the stomping grounds of America’s national mammal
This One Word Change Could Gut Our Strongest Conservation Law
The bipartisan Endangered Species Act is on the line as the federal government proposes a new change
“Together We Can Change the World”: A Tribute to Jane Goodall
The beloved primatologist was a beacon of hope, compassion, and love
