Green Technology
Green technology is technology that produces clean energy, helps repair environmental damages or offers solutions to wasteful practices.
How Artificial Geothermal Energy Works
How Cellulosic Ethanol Works
How Does Photosynthesis Work?
Donate Your Hair to Help Keep Our Water Clean
How LifeStraw Works
Scientists Develop Quick-Growing Coral Method to Save Dying Reefs
Top 5 Green Robots
5 Things to Consider When Building a Solar-powered Home
What Uses the Most Electricity in a Home?
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If you turn off the lights in your computer room, you'll probably see the glowing eyes of vampire electronics peering back at you. A smart power strip can help you cut down on how much energy they waste.
While you shouldn't expect to find a "flying electric" option at the airport anytime soon, electrically powered aircraft not only exist, but the technology continues to evolve at an encouraging rate.
By Robert Lamb
Ever wish the lawn would just mow itself? Well, the Husqvarna Automower is about as close as you'll get to that dream -- with the added bonus of using the sun for power.
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From toothbrushes to iPhones, we fill our lives with a seemingly unending string of gizmos -- all of which depend on electricity to give us what we need to make it through the day. What if you could generate that power?
By Robert Lamb
The world flushes up to 20 percent of its drinking water down various drains. That's a lot of water going to waste. Waterless toilets could squelch the squandering.
Solar energy is abundant and infinitely renewable. Therefore, it's not surprising to see the proliferation of devices that rely on the sun -- especially solar aircraft.
The Northeast Blackout of 2003 left millions without power and cost approximately $6 billion. Experts believe we can avoid future blackouts by storing energy along the U.S. electric grid.
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Did you ever make a potato clock as a kid? If so, you already understand the basic principles that make a soil lamp work.
By Julia Layton
There are two main ways of generating energy from the sun. But one -- solar thermal technology -- is really poised to take off as a clean, reliable form of alternative energy.
A 10-minute shower can seem like nothing on a cold, sleepy morning, but it might cost you 50 gallons of water (or more). Is there a way to limit the volume of water you use?
By Julia Layton
Eco-plastic seems like an oxymoron, and it very well may be. What exactly is eco-plastic, and does it really help the environment?
By Julia Layton
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Coral grows faster when it's cut or broken and scientists are taking advantage of that to replenish depleted reefs.
Wine pomace — the portion of grapes left over from winemaking — has a variety of uses, from fertilizer to a nutrition-enhancing ingredient in foods.
Sweden puts less than 1 percent of its household trash into landfills, in part because it burns nearly half to generate heat and electricity.
Hair trimmings from salons and personal donations can be repurposed as mats that soak up oil spills and help protect the environment.