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International

RMI Outlet

Plug Into New Ideas

Would You Rather Own or Lease Your Rooftop Solar?

On a recent trip to Australia, I noticed that very few residential solar systems are leased. This is in stark contrast to the U.S., where last year 66 percent of residential solar is leased from third-party owners like SolarCity.

Lessons from the 102nd Floor

In 2014 there is a flourishing industry around deep energy retrofits, and energy service companies are in competition—each trying to outdo the other in demonstrating their ability to go deeper and save more energy more cost effectively.

Barcelona: Spain’s Ciudad del Sol

Barcelona may be famous for Gaudí’s modernist architecture and its world-class Picasso museum, but there’s something else for which the city of 1.6 million should be known: its commitment to sustainability.