Energy costs - what energy costs? With oil prices like a roller-coaster (but utility firms behaving only like a coaster-coaster-coaSTERRRRR with their prices), the owners/occupants of this London building are taking no chances, and producing their own energy from a free resource :)

When should we expect all roofs to look like this? (Pigeons beware!)

Published on WWO Lives illustrating a Sustaineble Oil article

Published in OPB Think Out Loud Aug-09 illustrating a Urban Turbines article

Published with an article in Policy Innovations, a publication of the Carnegie Council. July 2010