December 21, 2015, 5am PST
Just in time for winter, the U.S. Department of Energy released a standard to make heating and cooling in commercial buildings far more efficient, increasing minimum efficiency by 10 to 25 percent.
July 23, 2014, 9am PDT
A study investigates the effect of air conditioning systems on air temperature and electricity demand. The study's findings: the release of waste heat (via AC systems) exacerbates the nocturnal urban heat island, thus increasing cooling demands.
July 17, 2012, 2pm PDT
Following on the hottest ever first half of a year in America's recorded history, James Barron examines the history behind the creation of air conditioning, on this day in 1902.
June 3, 2012, 7am PDT
As the Summer months heat up, Sarah Laskow reports on cities' efforts to keep retailers' doors closed.
April 22, 2012, 11am PDT
Cities like Atlanta, that have grown up in the age of the automobile and air conditioning, are making efforts to green their environmentally unfriendly buildings and spaces, explains Emily Badger.
November 21, 2011, 1pm PST
The Mongolian capital of Ulan Bator will begin construction this winter of an artificial glacier to cool the city next summer and provide melt water for drinking and irrigation.
November 16, 2011, 1pm PST
They're about to try it in Ulan Bator, Mongolia, creating giant "naleds" of ice that would melt slowly due to the extreme cold preserved inside.
November 24, 2010, 5am PST
Millions have been in the tent city of Mina in Mecca for the annual Hajj pilgrimage. Though the crowds are temporary, the infrastructure built to handle them is permanent.
July 14, 2010, 8am PDT
A new book looks at the environmental, energy, and social consequences of keeping cool by using air conditioners. In this 4-minute public radio interview, author Stan Cox explains how to keep cool, just in time for the East Coast heat wave.
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