3:00pm

Thu July 14, 2011
Energy

Innovative Ideas To Keep Cool, Save Energy

With much of the U.S. going through a heat wave and the report that the U.S. military spends $20 billion a year on air conditioning in Iraq and Afghanistan, we wondered just what's being done to make air conditioning more energy- and cost-efficient. Michele Norris asks Lloyd Alter, a senior writer for architecture and design for the web site, Treehugger.

Related Program