- The Brooklyn–based start-up SMIT (Sustainably Minded Interactive Technology) was formed in 2005 by the brother and sister team of Samuel and Teresita Cochran.
- In 2004, The Houses at Sagaponac—a controversial development on eastern Long Island—celebrated its first completed house. In 2005, the first residents move in.
- Solar panels have a reputation as being unsightly, but this U.S. Department of Energy Solar Decathlon show home sheds the stereotype that photovoltaic arrays are eyesores.
- When it comes to sustainable energy sources for the home, wind turbines tend to get left out of the discussion.