Aspen, Colorado will be running on 100% sustainable energy after 2015, an 84% increase from 2014. Aspen, Colorado, the gentle and chilly tourist hub renowned for its ski slopes, is now the third city in the United States to consider...

Raimond de Hullu, an architect from the Netherlands, is combining nature and modern design to create the world’s most affordable, sustainable structures. “We need a new building typology that goes beyond the usual technical sustainability,” he explained in an interview....

This eco-friendly, solar-powered, floating home is Made from nearly 100% recycled materials. With more and more people realizing that we need to treat the Earth with respect and live with as small a footprint as possible, eco-homes are becoming...