VoicesLetter: Cooled air and global warmingHamish KuzminskiWednesday 04 September 1996 00:02 BSTCommentsSir: When will someone invent a solar-powered air-conditioning unit? It is not quite perpetual motion, but adheres to the principle.HAMISH KUZMINSKILondon SW4More aboutAlternative Energy (renewable)Global WarmingSnowSolar EnergyJoin our commenting forumJoin thought-provoking conversations, follow other Independent readers and see their repliesComments
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