The Magazine of The Sierra Club
The Rad-Waste Trucks Are Rolling
And the cleanup crews are already preparing for spills
science
June Observing Highlights: The Ring Nebula and Rare Electric-Blue Clouds
Darkness is elusive this month, but there are still interesting things to see up high
In this story:
science
Hummingbirds March North, Fueled by Sugar Water
Citizen science data reveals the tiny birds' feeder frenzy
Border Walls Are Good at Keeping Out Everything But Humans
A "Bioscience" report documents the danger of border walls to wildlife
What to Expect When You're Expecting an Eclipse
An astronomer has prepared for this August’s total solar eclipse since he was 11
Bad Dog
A new study examines the wildlife impacts of free-range canines
I Used to Judge Citizen Scientists. Now I Am One.
In the Cayman Islands, amateurs play a big role in measuring coral-reef health
Researchers Use Environmental DNA to Monitor Marine Ecosystems
A single cup of water contains fishy fingerprints
In this story:
science
Good News, Bears
Could a new Colorado bear study have wildlife management implications in other states?
Scientists Learn More About the State of Awe
A psychologist says awe may be universal to all human cultures
