Tina Kaarsberg serves as senior technical staff with the U.S. Department of Energy’s Policy and International Affairs Office in Washington, DC.


Cool Roofs Cool the Planet
There's an important, although little-known, advantage to cool roofs: They help cool the planet. [continue reading]

Keeping Cool at the Third Solar Decathlon
Anyone interested in the latest earth-friendly heating, cooling, appliance, and other home energy technologies should check out the Solar Decathlon, a biennial event sponsored by DOE that invites teams from colleges and universities around the ... [continue reading]

The Incredible, Affordable Solar Decathlon 2011
Last September, 19 college teams with more than 4,000 students from around the world arrived on the National Mall's West Potomac Park. Their mission: Build a self-powered solar house for less than $250,000 to compete in architecture, energy ... [continue reading]

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