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A polar city is a proposed sustainable polar retreat designed to house human beings in the future, in the event that global warming causes the equatorial and middle latitudes of the Earth to become uninhabitable for a long period of time. Although they have not been built yet, some futurists have been giving considerable thought to the concepts involved. High-population-density cities, to be built near the Arctic Rim and in Antarctica, New Zealand, Tasmania, and Patagonia, with sustainable energy and transportation infrastructure, will require substantial nearby agriculture. Boreal soils are largely poor in key nutrients like nitrogen and phosphorus, but nitrogen-fixing plants (such as the various alders) with the proper symbiotic microbes and mycorrhizal fungi can likely remedy such poverty without the need for petroleum-derived fertilizers. Regional probiotic soil improvement should perhaps rank high on any polar cities priority list. James Lovelock's notion of a widely distributed almanac of science knowledge and post-industrial survival skills also appears to have value. == History == The polar cities climate retreat living pod concept is a worst-case scenario prediction〔("We should plan for the worst-case climate scenario" Ken Caldeira, ''Bulletin of the Atomic Scientists'' ) 29 July 2008〕 based on the ideas of British chemist and inventor James Lovelock: life in polar cities〔("“Polar Cities” is an idea whose time I hope never comes" )〕 arrayed inland and around the shores of an ice-free Arctic Ocean in a greenhouse-warmed world. Dr. Lovelock, who in 1972 conceived of the Earth's crust, climate, and veneer of life as a unified self-sustaining entity,〔Gaia hypothesis〕 foresees humanity in full pole-bound retreat within a century as areas around the tropics roast — a scenario far outside even the worst-case projections of climate scientists. After reading a newspaper column〔("James Lovelock: The Earth is about to catch a morbid fever that may last as long as 100,000 years", ''The Independent'' ) 16 January 2006〕 in 2006 in which Dr. Lovelock predicted disastrous warming, Danny Bloom, a freelance newspaper reporter and climate blogger, teamed up with Deng Cheng-hong, a Taiwanese artist, and set up websites showing designs for self-sufficient Arctic communities.〔("Global Warming and Polar Cities" )〕 Mr. Bloom's intent is to conduct a non-threatening thought experiment that might prod people out of their comfort zone on climate change. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Polar city」の詳細全文を読む スポンサード リンク
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