Geothermal power is an old renewable energy source, with a huge potential — especially if enhanced geothermal systems can be commercialized.
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When It Comes To Solar Power, Small Scale Is Beautiful
Giant solar power projects may be flashy, but tapping into the massive potential of rooftop (and backyard, and parking lot) solar power is where we ought to be heading first.
Smart Windows Are Getting Smarter
Several technologies at different stages of market readiness promise to take windows far beyond low-e triple-glazed.
Storing Renewable Energy: Key To An All-Renewables Future
The all-renewables future will require energy storage. Here we explore both current possibilities and technologies that might one day be practical.
Solar PV Industry Now Operating As Net Energy Producer
Even with its fantastic growth rate, solar PV, thanks to manufacturing and materials efficiency gains, is operating as a net energy producer, Stanford researchers say.
Moisture Harvesting: Pulling Water Out of Thin Air
These three applications — one in practice and two conceptual — demonstrate the potential for buildings of the future to pull water literally out of thin air.
Offshore Wind Power: Huge Potential Goes Largely Untapped
Depending on how you look at it, the state of offshore wind power is either hugely depressing or an amazing opportunity for growth in green power.
Attractive Net-Zero-Energy House On A Budget
A Seattle couple shows how to build to net-zero-energy standards economically.
Wind Power 101: It Betters Fossil Fuels, Even With Slowing Growth
Wind power growth may have slowed down last year (again), but it’s already producing power more cheaply than new fossil fuels, outpacing nuclear, and coal and natural gas.
Active And Passive Green Homes: What To Know
First in green home design there was the Passive standard, and now a new one called Active is getting notice for subtle differences. We talk about them.
Solar Power Beyond The Rooftop: Moving To Utility-Scale
Solar power had a stellar year last year, with global capacity topping 100 GW for the first time, and the US setting new records.
Biofuels 101: How Green Is This Clean Energy Source Really?
You don’t hear about biofuels as much as you used to, but production continues to grow. How green they are all comes down to what’s used to make them, though.
Biomass From The Forest To Power Fuel Cell
The plan on California’s North Coast is to turn timber byproducts into hydrogen, which will then be used to power a fuel cell system.
Green Power: Cheap Ways You Can Get It
Want to really reduce the eco-impact of your electricity use? The least expensive and quickest way is to sign up with a green power program. Here’s how.