The Magazine of The Sierra Club
These Tiny Moths Likely Flew to Hawai'i 20 Times. How Did They Do It?
Leaf-roller moths colonized the archipelago before evolving into a dizzying array of species
These Scientists Just Mapped Scorpion Hot Spots. Here’s Why You Should Care.
An international team working in Morocco produced findings that could have implications for public health
When Tiger Sharks Show Up to Hunt Seabirds, Other Sharks Steer Clear
Smaller Galapágos and gray reef sharks change their behavior, likely to reduce competition or out of fear
From Growl-Rumble-Whoops to Moan-Whines: Hawaiian Monk Seals Have a Vocal Repertoire Full of Surprises
The endangered species is the only pinniped known to string together vocalizations with no break
10 Photos of Trail Runners You Have to See
A new photo book captures the intimate and epic moments of trail running
The Largest Die-Off of Corals Ever Just Happened on the Great Barrier Reef
Warm temperatures have led to a massive amount of death on the marine treasure
How to Participate in Audubon’s Christmas Bird Count
Tips for signing up and taking part in the world’s longest running wildlife census
Meet Scott Pruitt, the Man Picked to Lead the EPA
The Oklahoma attorney general is a climate change denier who has sued the EPA
Testing Water Quality in New Mexico
Retired school teacher Eric Patterson tests streams for water quality in New Mexico
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