The Magazine of The Sierra Club
Why Is This Splendid Butterfly Disappearing?
The regal fritillary can't exist in a world without violets
science
Bull Trout Decline Presents Stark Choices in a Changing Climate
Land managers face conundrum of what to save and what to sacrifice
The South’s Very Own Sea Monster
Atlantic sturgeon are nearly as old as the dinosaurs—and almost as rare
In this story:
science
Can the Internet Save Snakes?
Intrepid snake lovers turn Twitter and Facebook into advocacy tools
Meet the Hummingbird Whisperer
A UCLA geologist has turned her office into a hummingbird paradise
In this story:
science
Study Finds Chemicals in Yellowfin Tuna Are Widespread
The extent of contamination varies by capture location, geography
Is Rock Climbing Bad for Cliffs?
Probably, says new research
Who's to Blame for Climate Change?
New research builds evidence against a handful of culprits
Study Shows Western Monarchs Have Dropped 97% in 35 Years
Data indicates western subspecies is declining faster than eastern monarch
Can Snowshoe Hares Adapt to Climate Change?
Savvy hopping tactics may hold the answer
