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Going Up: How the Unsung Elevator Makes Urban Efficiency Possible

Why don’t we appreciate the elevator as modern society’s most efficient mode of urban transportation?

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Nikola Tesla: The Other Wizard

Nikola Tesla did as much to electrify the second industrial revolution as any man. If only he weren't painted as a mad scientist.

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Frog Design's David Merkoski on the Power of New Energy Products

New energy products are teaching consumers how to take control of their power.

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Potential Energy (Savings)

The amount of energy we use at home is usually invisible—until we get a bill. New home-energy-management applications promise to change that.

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No More Grid Lock: How to Harness the Power of Renewable Energy

Every hour enough sunlight reaches the Earth’s surface to meet the world’s energy demands for a year. How do we harness it?

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Leapfrog Technology: Cleaner Tech in Developing Nations

Why the developing world is home to the most innovative clean-energy solutions.

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Oil Standard: A Fair-Trade Tiger in Your Tank

Gaia Certification aims to build a network of progressive fuel centers selling fair-trade gasoline.

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Creating a Market for Negawatts

Recurve founder Matt Golden tells Allison Arieff how we get beyond lightbulbs.

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Cap and Trade Is Dead. Now What?

Putting a price tag on pollution isn't solving our climate-change woes. It's time to invest our muscle—and money—in breakthrough innovation.

Articles

Smart Meters, Dumb Backlash

Smart meters can save energy and money and prevent blackouts. So why did the residents of Bakersfield, California hate them so much?

Articles

This New House: Are Unmanned Tennessee Lab Homes the Future of Efficiency?

A small row of unmanned houses in Tennessee is operating at optimal efficiency. Are these our energy-efficient future?