By Miriam Horn for climate411

Microscopic pond scum is a promising source of fuel, and several tech start-ups are exploring how to turn this crop into sustainable energy. Read full post »
By Philip Proefrock for ecogeek

Magenn Power puts wind power up in the air for a trial run. Read full post »
By Jozef Winter for ecogeek

Boulder, Colorado, will get the first fully integrated electricity grid in the U.S. Read full post »
By Don Willmott , Forecast Earth Correspondent for forecastearth
Chargers that turn themselves on and off as needed are around the corner. Read full post »
By Hank Green for ecogeek

OptiSolar is planning a huge solar power farm in California, beginning construction in 2010. Read full post »
By Hank Green for ecogeek

Efficient building standards could swiftly eliminate the need for 20 coal plants. Read full post »
By Hank Green for ecogeek

Dow and Global Solar Energy team up to make cheap building-integrated solar panels. Read full post »
By Hank Green for ecogeek

Solar tech company Sunrgi promises power as cheap as coal in the near future. Read full post »
By Hank Green for ecogeek

New York Times columnist Thomas Friedman takes on the McCain-Clinton gas holiday and supports green energy. Read full post »
By Hank Green for ecogeek

A British company tries to bring the price of solar down with small, water-filled pillows. Read full post »
By Robert Bonnie for climate411

How green is growing corn for fuel? Take a look at the long view to measure the true impacts. Read full post »
By Andrew Williams for ecogeek

Rock Port in northwest Missouri now gets all its power from a wind farm. Read full post »
By Andrew Demaria for amorylovins
What our energy policy could look like five Earth Days from now. Read full post »
By Hank Green for ecogeek
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2009 could be the turning point for the price of silicon and result in a drop in the price of solar panels. Read full post »
By Cory Lowe for amorylovins
Green products, and celebrity experts, get the spring off to a green start. Read full post »
By Trystan L. Bass for greenpicks

The man who brought environmentalism to the masses turns 60. Celebrate Gore's birthday by going green. Read full post »
By Trystan L. Bass for greenpicks

More important than just the energy saved is the idea that one person's actions really do have an affect on global warming. Read full post »
By Trystan L. Bass for greenpicks

It's important to look at the complete picture, from start to finish, when we evaluate the environmental impact of biofuels. Read full post »
By Tony Kreindler for climate411

Two recent reports look at the economic price for reducing pollution. And it's surprisingly small, especially when you consider the return on investment. Read full post »
By Sheryl Canter for climate411
Ten numbers that may surprise you courtesy of the new book, "Earth: The Sequel." Read full post »
By Fred Krupp for climate411

A leading environmental lawyer on global warming's silver lining. Read full post »
By Don Willmott , Forecast Earth Correspondent for forecastearth
Wind energy is becoming big business -- and stirring debate. Read full post »
By Virginia Lacy for amorylovins
Interest in solar thermal -- harnessing the sun's energy as heat -- is white hot. Read full post »
By Martha Roberts for climate411

What if our greenhouse gas emissions were stored somewhere other than in our atmosphere? Read full post »
By Nat Keohane for climate411

Our best hope? To harness the power of market forces by establishing firm caps on greenhouse gas emissions. Read full post »
By Mary Kelly for climate411
We have a climate problem. We also have a drinking water problem in some parts of the U.S. These two problems are related. Read full post »
By Noah Buhayar, Fellow, Rocky Mountain Institute for amorylovins
"Vampire" loads for common appliances gradually suck power. Slay them with these simple steps. Read full post »
By Trystan L. Bass for greenpicks

Another look at the stats behind "spring forward, fall back." Read full post »
By Trystan L. Bass for greenpicks

Promoters of Saturday's "Light Out" events estimate one hour of darkness could cut energy use by 15 percent. Read full post »
How to give and get perfectly good stuff for free, reducing waste.
An interactive map for finding people on the same page.
The cost of owning a car is going up in more ways than one.