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Sara GuttermanGermany and the Clean Energy Conundrum Germany has been lauded as the leader in distributed, clean energy, its renewable energy strategy touted as one of the most innovative and successful worldwide. The claim certainly has validity. However, when examining the country’s total energy portfolio, the facts belie Germany’s reputation as “the world’s first major renewable energy economy.” More.


  • Site Sensitivity

    This vacation home's super energy-efficient building envelope and passive solar strategies allows the house to be left unheated in the winter without freezing and, with the aid of ocean breezes, cool in the summer. Read More

  • Mindful Vacationing

    Natural materials, a modern aesthetic and energy and water conservation features helped this net-zero house earn a Top Vacation Rental award in 2012. Read More

  • Impact Series: Jeremy Rifkin

    Join us on Wednesday, October 8th at 2pm, EST for a compelling Impact Series discussion with Jeremy Rifkin, author of The Zero Marginal Cost Society, where we’ll discuss the impact of scientific and technological changes on the economy, the workforce, society, and the environment. Read More


geothermal10homeGeothermal Systems Thanks to innovations in both installation and equipment, geothermal heating and cooling systems are poised for rapid growth. More

IECC UpdateMore States Embrace the 2012 IECC, But Not Lovingly Updates from Pennsylvania, Nevada and Minnesota. More