June 11, 2018, 9:31 a.m. by Matt Hickman
In Eindhoven, massive concrete printers are replacing skilled bricklayers.
Watch Brad Pitt talk about the greenest neighborhood in America
August 13, 2009, 10 a.m.
In a 'Today' show exclusive, Ann Curry talks to the actor and activist about his work to rebuild New Orleans and rumors of his political aspirations.
In zero net energy buildings, electricity is 'free'
July 30, 2009, 12:42 p.m. by S.A. Rogers
Ultra-efficient homes that produce their own power and are carbon-neutral may become common in the coming years as builders embrace the concept.