Feature
CODE BLUE FOR CONSERVATION
Michael Shellenberger and Ted Nordhaus say environmentalism’s heart has stopped. But making the movement more “progressive” may finish off the patient. Are there better prescriptions?
By Charles Alexander
THE PROTEIN GAP
John Fa is the first researcher to frame the bushmeat crisis as a protein crisis. And his analysis suggests that wildlife activists are behaving like Marie-Antoinette: “Let them eat cake.”
By Fred Pearce
POINT OF NO RETURN Cover Story
Evidence is mounting that fish populations won’t necessarily recover even if overfishing stops. Fishing may be such a powerful evolutionary force that we are running up a Darwinian debt for future generations.
By Natasha Loder
Innovations
MOSS CONSERVATION BEHIND BARS
Prison inmates help researchers cultivate threatened mosses.
By Adelheid Fischer
CAPTURING A RIVER’S MEMORY
Artificial neural network pinpoints land use changes in a watershed.
By Nancy Bazilchuk
THE ECOSYSTEM MARKETPLACE
Timely information fuels emerging markets in ecosystem services.
By Katherine Ellison
Numbers in Context
WHEN WILL POPULATIONS DOUBLE . . . AND WHERE?
“The greatest shortcoming of the human race is our inability to understand the exponential function.” Albert A. Bartlett
Essays
A GARDEN GONE TO SEED Print Only
by Scott Fedick
Journal Watch
Wolves Buffer Scavengers against Climate Change
Even a Billion Flatfish Are Still Inbred
Culling Livestock Killers As a Conservation Strategy
Helping Native Species Adapt to Exotics
Common Herbicide Lethal to Wetland Species
Imposing Tariffs on Exotic Species
Shrinking Buffers Undercut Protected Tropical Forests
Books
From Readers
YOUR LETTERS AND COMMENTS Print Only
Uneasy Chair
SITTING OUT THE BIG GAME
by Jon Christensen