Energy versus Water: Solving Both Crises Together
Water is needed to generate energy. Energy is needed to deliver water. Both resources are limiting the other—and both may be running short. Is there a way out?
Features
Is Focusing on "Hot Spots" the Key to Preserving Biodiversity?
Preserving biodiversity in rich habitats is good. But global warming and other new threats may call for a new strategy
For National Security, Get Off Oil
Former CIA director, R. James Woolsey, says America's oil dependence is a grave threat
LEED Compliance Not Required for Designing Green Buildings
Constructing buildings to the LEED standard can conserve energy and materials-or be exploited for promotional gain
Global Warming: Beyond the Tipping Point
The world's most outspoken climatologist argues that today's carbon dioxide levels are already dangerously too high. What can we do if he is right?
Eco-Cities: Urban Planning for the Future
Massive developments proposed for the U.S., China and Abu Dhabi aim to reduce or even eliminate the environmental cost of city living
Growing Vertical: Skyscraper Farming
Cultivating crops in downtown skyscrapers might save bushels of energy and provide city dwellers with distinctively fresh food
Departments
- From the Editor
Introducing Earth 3.0
- Recommended
Resources
- Departments
Biofuel of the Future: Oil from Algae
Green Funds Remain Hot in Cooling Economy
Global Seed Vault Now Accepting Seeds
Alexandra Cousteau Weighs In on the Future of the Ocean
Plasma Turns Garbage into Gas
Mothers and Children Unite Under 1Sky
China Targets Cleaner-Coal Power Plants
Jack Johnson's Low-Impact Tour
Preserving Forests and Business
The Future of Climate Change Policy: The U.S.'s Last Chance to Lead
Rising Acidity in the Ocean: The Other CO2 Problem
Using the Internet's History to Develop Clean Energy's Future
Why Building Green Can Keep People Out of Jail
Biofuels or Food?: Can Crops Feed Our Cars--And the Hungry?
Plastics in Our Diet: The Need for BPA Regulation
SciAm Test Drives Two Street-Legal Fuel-Cell Cars
"Voluntourism": See the World--And Help Conserve It
12 Ways to Lessen Your Footprint
Buying Green: 7 Ecofriendly Products
Green Role Model: Napa Valley's Gaia Hotel
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