Power From Hot Air

25 August 2002 - 5:00am

1km-high "solar chimney" proposed to supply electricity for 200,000 houses.

"A one kilometre-high tower capable of producing enough energy for 200,000 homes has been approved by the Australian government and could be in operation within three years, subject to approval by the New South Wales state authorities."

Source: The Guardian Unlimited, October 3, 2005