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Link: http://news.wired.com/dynamic/stories/I/ICE_COOLING?SITE=WIRE&SECTION=HOME&TEMPLATE=DEFAULT
Punny title aside, this Wired News article on some New York buildings using ice instead of (or in addition to) air conditioning systems is nifty. It's like reaching back into the 1800s and their ice cellars for a solution to a contemporary problem. Given how utterly miserable tall closed buildings become without some cooling and decent ventilation, it's great that someone's come up with a more energy efficient way of providing it.