The blueroofs project:

The "Urbeach" urban rooftop renewable energy form a beachlike space

See winning entry (link)

Further pictures from Fri Jul 23 2004:

Sat Jul 24 2004

window reflections look good in 476; the rest looks good in 475, so combine 475 and 476 below:

window reflections look good in 478; the rest looks good in 480, so combine 475 and 476 below:

combine 510, 514, 522, 526, below:

Publications

Steve Mann, Isaac Harris, Joshua Harris, "The development of urban renewable energy at the existential technology research center (ETRC) in Toronto, Canada", Renewable and Sustainable Energy Reviews (In Press), pages 1-14 [Proprietary Document Format (PDF)]