Renewable Energy

The best advice on energy efficiency, solar power, wind energy, living off the grid, and more.

Let It Shine: Solar Energy in Ancient Rome

By John Perlin

When writing his great work On Architecture, Rome’s greatest solar architect Vitruvius emphasized proper solar orientation for buildings and bath houses.


Winter Chores for Off-Grid Living

By Paul Scheckel

Outside of a few rare equipment failures, we’ve never had a power outage in the past 20 years that wasn’t our own fault — usually caused by not paying attention to power use or proper battery charging. Weather failures, on the other hand, are starting to become noticeable.


Solar Power: The Idea, the Reality and the Future

By David Glenn

The sun provides us with enough clean energy that if ever effectively harnessed, we might never need any other form again. Sadly, we are only able to harness a fraction of it's potential. Fortunately, we are making great progress to get where we want to be.


The Gift of Solar Energy

By Cindy Nawilis

Here are three of the season’s brightest and cleanest gifts for a greener holiday celebration.


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Let It Shine: Solar Design in Ancient Greece

By John Perlin

Never in the history of the world has there been such a high-ranking member of society to advocate passive solar design than Socrates. He felt so strongly for building with the sun in mind that he even set up a class to teach his acolytes how the finer points of putting up a passive solar house.


Let It Shine: Solar Architecture in Ancient China

By John Perlin

As the importance of solar architecture grew, the southern aspect took on great stature in Chinese life. Ancient wisdom associated the south with fire and warmth, while the north came to be synonymous with winter and somberness. The Emperor facing south therefore shuns darkness and embraces enlightenment to govern. The Chinese to this day prefer a southern orientation for housing.


Off-Grid Solar: Low-Hanging Fruit for Mitigating Climate Change

By Cindy Nawilis

Solar lights replacing kerosene lamps in developing countries do more than solve energy poverty, they are also helping curb climate change by reducing black carbon emissions.


How to Assess Your Own Site for Solar Potential

By Kirk Haffner

Learn how to evaluate your own home for solar potential with four easy steps!