April-June 2005

V6N2

Volume 6, Number 2

Features

ARE WE CONSUMING TOO MUCH Cover Story
The answer seems obvious. But it’s not. Paul Ehrlich, Kenneth Arrow and nine other brilliant minds argue that we’re worrying too much about how much we consume and too little about how to invest.
by Jon Christensen

LIQUID ASSETS
The Sierra Gorda Biosphere Reserve in central Mexico is a water factory. Can an ambitious federal program convince water users to foot the bill for the hydrological services?
by Katherine Ellison & Amanda Hawn

EDGE WALKING ON THE URBAN FRINGE
In the face of inevitable development, Michael Klemens is making his stand for conservation where 10 million people dwell. One man’s uncompelling is another man’s biodiversity.
by Kevin Krajick

Innovations

SNIFFING WITH PRECISION
Detection dogs push the limits of field-monitoring techniques.
by Joshua Brown

SMART GEAR COMPETITION
$25,000 prize inspires ingenious solutions to bycatch.
by Nancy Bazilchuk

FUELING RESTORATION
A new system links ecological restoration to the hydrogen economy.
by Sarah DeWeerdt

Numbers in Context

ARE CONSERVATION BIOLOGISTS WORKING ON THE RIGHT PROBLEMS
Every so often, we need to step back and take stock. If we don’t, we run the risk of being passionate and hardworking—but adrift.

Essay

Erased Edges Print Only
by Barbara Hurd

Projected Extinctions Threaten Vital Ecosystem Services
African Wild Dogs May Pay Their Own Way
Even Toxic Paint Doesn’t Stop the Spread of Marine Nonnatives
GM Sugar Beets Benefit Wildlife
Restoration Mistakenly Helps Pest Gulls
Loophole in Leatherback Turtle Conservation
Brazilian Cocoa Farms Not Sustainable After All

Books

BOOK REVIEWS

From Readers

YOUR LETTERS AND COMMENTS Print Only

Uneasy Chair

THE CURIOUS HISTORY OF CONSERVATION
by Jon Christensen

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