EnvironmentMarch 1, 2009
How Renewable Energy and Storage Solutions Stack Up
The need to tackle global climate change and energy security makes developing alternatives to fossil fuels crucial
The Future of Alternative Energy
Geothermal, solar thermal, and even nuclear power could provide alternatives to today's carbon-based fuel sources
EnvironmentFebruary 18, 2009
How to Use Solar Energy at Night
Molten salts can store the sun's heat during the day and provide power at night
The SciencesFebruary 17, 2009
Can Geothermal Power in Iceland Thaw a Frozen Economy?
Iceland hopes to use its geothermal resources to innovate its way out of the financial crisis
EnvironmentFebruary 17, 2009
Man-Made Geothermal Power: Wresting Energy from Hot Rocks--One Kilowatt at a Time [Slide Show]
The enhanced system at Soultz in France is the first such artificial geothermal power plant
January 26, 2009
Why do wind turbines have three narrow blades, but ceiling fans have five wide blades?
Dale E. Berg, a member of the technical staff in the wind energy technology department at Sandia National Laboratories, replies
EnvironmentJanuary 1, 2009
Chasing Rainbows: Full-Spectrum Photovoltaics
From infrared to ultraviolet, a new photovoltaic material responds to the full spectrum of sunlight