"If that building is air-conditioned, it's going to be a lot cooler, it can use 10 or 15 per cent less electricity," he said. "You also do something in that you change the albedo of the Earth – you make it more reflective. So the sunlight comes down and it actually goes back up – there is no greenhouse effect," Dr Chu said.
The Independent has more.
Tuesday, 09 June 2009 00:00
US energy secretary suggest painting roofs white
Written by Lenny AntonelliSpeaking in London yesterday, US energy secretary Steven Chu said that painting roofs and pavements white could help to mitigate global warming by reflecting sunlight back into space.
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Lenny Antonelli
Lenny Antonelli is deputy editor of Passive House Plus. He also writes regularly for the Irish Times, and has contributed to a variety of other publications including the Sunday Times, the CS Monitor, Village, the Sunday Tribune amd the Dubliner. He is currently working on a radio documentary on Ireland's oceans.
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