An update on the environmental challenges. Meant to inspire and be A Source of Energy. Tearing down myths and floodlighting paradoxes. Particularly relevant for students of architecture, architects and concerned citizens. Training tasks, recommendations for further sourcebooks and websites, are included. The Norwegian author Harald N. Røstvik has over 35 years experience as an architect and a pioneer in sustainable design. He was educated at the University of Manchester in the UK and established his own green-design practice in 1978, that he still heads. He designed Europe.s first modern Zero Energy Building, .Chanelle., in 1985 and was nominated for the Aga Khan Award for Architecture for his solar grid connected WGM building in Colombo Sri Lanka in 2002.