The Magazine of The Sierra Club
New Maps Show How Groundwater Affects Lakes and Rivers
100 years of pumping has reduced stream flows by 50 percent in some areas
Lands & Waters
Arrest of Key Ivory and Rhino Horn Trafficker Signals a Game Change
Conservationists, law enforcement team up to infiltrate wildlife crime syndicates
In this story:
wildlife
Does the Mass Rearing of Butterflies Hurt More Than Help?
An excerpt from Jodi Helmer's new book, "Protecting Pollinators"
Searching for the Bathurst Caribou Herd
Two kayakers, Arctic tundra, and thousands of missing caribou
This Year’s Gulf Dead Zone Forecast to Be One of the Biggest
Floods, spring rains flush millions of tons of fertilizers down the Mississippi River
In this story:
science
This World Oceans Day, Answer the “Call of the Blue”
Philip Hamilton’s camera captures underwater splendors
Fluorescent Evergreen Glow Tells When Trees Are Taking Up Carbon
Researchers are learning how to interpret the faint light given off by the trees
What's Killing the Whales?
Gray whales are washing up on West Coast beaches. Most of them starved to death.
Can Canada Save the Mountain Caribou Before It’s Too Late?
The iconic animal is at risk of extinction
In this story:
endangered species
These Scientists Did More Than Tell Us We Were Doomed
The authors of the IPBES report also gave us a road map out
