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Environment
In Benin, Solar-Powered Irrigation Pollutes Less and Produces More
Solar power and drip irrigation have improved the lives of people living in poverty. But few had ever tried combining the two.
Environment
Hawaii Is Becoming a Clean Energy Paradise
The very wonders that attract tourists to Hawaii—ample sunshine, big waves, and volcanoes—also make it an ideal spot to generate renewable energy.
Environment
Why the Renewables Boom Could Be in Danger
The country faces a real risk of the growth of wind and solar slowing, instead of continuing to speed up.
Environment
Can Technology Do What Climate Negotiations Can't?
With a new climate treaty years away, the world will need green technology to help stop climate change.
Environment
Gentlemen, Stop Your Engines: Greening Car Gizmos
Solar power could make cars more energy-efficient not by powering the engine, but all those other doohickeys cars have.
Environment
Humans Are Responding to Climate Change, Consciously or Not
So climate change doesn't exist, huh? Your vacation plans might say otherwise.
Environment
Would Roads Be Safer and Greener Without Red Lights?
Half of Portland cyclists run red lights. And maybe they've got the right idea.
Environment
Domestic Science: Cold-Water Washing, Powered by Enzymes
Heat isn't the only force of nature that can loosen molecules of grease and dirt from clothes and speed up cleaning.
Environment
How to Green Your Holiday Travel
I've come to think of getting to Christmas as another part of the season's indulgence. But there are ways to get home and hold onto green principles.
Environment
A Green Idea Business and Government Agree On: Energy Efficiency
President Obama is announcing that $4 billion will go over the next two years into making government and commercial buildings more energy efficient.
Environment
Tiny Tubes Could Absorb More Carbon Dioxide Than Trees
What if the best way to clean up the atmosphere isn't natural at all?
Environment
Solar Power Is Coming to 120,000 Military Housing Units
SolarCity found a new path forward after the Solyndra scandal cost it a loan guarantee for putting solar panels on military housing.
Environment
Why Small Hydropower Beats Big Dams
Big dams are bad for both the global climate and the local environment. Small hydropower projects can reduce carbon without harming local ecosystems.
Environment
Why the Chevy Volt's Fire Problem Is Actually a PR Problem
A government agency is investigating its safety after a test car caught on fire. Are consumers holding electric cars to a higher standard?
News
New 'Slow Zones' Make NYC Streets Safer and Greener
This week, New York City opened its first neighborhood slow zone, where slower speed limits make roads more accessible to anyone not in a car.
News
Harnessing the Untapped Energy in Water Pipes
Sometimes, instead of designing away wasted energy, it's easier to repurpose it.
News
Rooftops: Occupied! Communities Turn Out for Solar Power
In Australia, Germany, Romania, Georgia, Finland, Peru, and all across the United States, small and large groups met to work toward solar power.
Environment
Bus Systems Are Miles Ahead on Green Transport Technology
Cities are switching over diesel clunkers not just to natural gas or hybrid buses, but to fully electric vehicles.
