The Magazine of The Sierra Club
The Imax Film "National Parks Adventure" Commemorates the NPS Centennial
The movie, featuring Conrad Anker, is a rollicking good time for the entire family
Latest Updates
Forget "Alternative"—Renewable Energy Has Gone Mainstream
Renewable energy is no longer fringe. Instead, it's the cutting edge.
Kayaking Chile's Pascua River in Search of an Untamed Landscape
A journey through Patagonia explores what it means to engage in "rugged play."
#ExxonKnew: The oil-and-gas giant faces new scrutiny over climate change denial
State attorneys general are investigating whether ExxonMobil hid its own internal climate change science from its investors.
Siri, Will Connected Vehicles Be Greener?
Smart cars promise to be greener, too, by reducing road congestion and lowering emissions
Return to the Bay of Pigs
An armada of kayaks returns to Cuba's famous bay 55 years after the failed invasion
The inner workings of the avian mind
In "The Genius of Birds," Jennifer Ackerman explores new research that shows how closely bird brains resemble our own
Bufo bufo, Sex Machine
What makes the common toad so common is uncommonly beautiful.
Dr. Catlin Powers, Eco-Engineer
Himalayan villagers needed a solar cooker that could perform in sandstorms and below-freezing temperatures
An Electric Vehicle Buyer's Guide: Low-cost options are hitting the road
It used to be that electric vehicles were prohibitively expensive for most people. Not anymore.
Foldable Gear for Your Outdoor Adventures
Bulky gear is no fun to carry. Opt instead for these gadgets, which fold up small for easy portability.
Hike with Llamas at Virginia's Applewood Inn
Llamas lead the way on trails surrounding this ecofriendly lodging
Inside the Koch Brothers' Empire
"Dark Money" delves into the shadows where America's billionaire brothers scheme to remake our democracy in their own image
Five Great Biodynamic Wines
We asked expert oenophiles to name their favorites
Coming Clean: A Transition to 100 percent clean energy is possible
We know that replacing fossil fuels with clean energy saves money and lives and creates jobs. We've already seen it happen.
Bike It! Brings Bike Safety to Santa Ana
These siblings are improving bike infrastructure in their neighborhood
April Observing Highlight: Mercury At Its Best
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astronomy
