This concept claims it can boost solar thermal efficiency by 15% without any new or expensive technology. How? Build and island.
concent

Solar Thermal Islands: cool concept or pipe dream?
(via cleantechnica.com)
Submitted by Winoria on Mon, 2008-05-26 13:40. | Tags: design | technology | concent | CSP | design | Efficiency | energy | environment | green | Renewable Energy | solar energy | technology