Progress on Biofuels
Dear EarthTalk: How far along are we at developing algae-based and other higher yield sources of biofuels?
Renewable Energy Archive: Biofuels, Geothermal & Wind Power
Geothermal Energy Potential: The Next Big U.S. Power Source
The U.S. has more installed geothermal capacity than any country in the world—and the capacity for much more… Could it be the next big energy source domestically and beyond?
New Funds for Renewables
Stanford environmental policy wonk Dan Reicher discusses new modes of financing renewable energy and why now is the time to make the move to solar, wind and other green forms of power.
Germany’s Renewable Energy Gamble
Energiewende is a German word en route to joining the English language, like angst and sauerkraut did long ago. It means “energy transition,” and refers to Germany’s historic plans to shift to a green economy based solely on renewable energies. The German designation will come in handy, since Germany’s trailblazing energy policies and lofty ambitions […]
Geothermal? Bring It On
Geothermal power, which draws heat from deep beneath the earth’s surface and converts it into electricity, is an underutilized resource with huge potential.
Embracing Small Wind
Small wind systems are catching on, but local government permitting is still a problem across the United States and beyond…
Why Do Wind Farms Need Fossil Fuels?
I heard that some wind farms use fossil fuels to power their generators when the wind won’t. Doesn’t that defeat their whole renewable energy purpose?
Offshore Wind Arrives
Interior Secretary Salazar Recently Gave the Green Light Approving the Controversial Cape Wind Project that hopes to put wind turbines in Nantucket Sound.
The Other Heat Pump
Geothermal heat pumps are all the rage, but gas absorption heat pumps don’t require all that pricey drilling, and can even cool effectively.
Spaceman on Planet Earth
Former Red Sox pitcher and baseball’s first environmentalist, Bill “Spaceman” Lee, speaks out…