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The economic impact of climate change in the 20th and 21st centuries

机译:20世纪和21世纪气候变化对经济的影响

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The national version of FUND3.6 is used to backcast the impacts of climate change to the 20th century and extrapolate to the 21st century. Carbon dioxide fertilization of crops and reduced energy demand for heating are the main positive impacts. Climate change had a negative effect on water resources and, in most years, human health. Most countries benefitted from climate change until 1980, but after that the trend is negative for poor countries and positive for rich countries. The global average impact was positive in the 20th century. In the 21st century, impacts turn negative in most countries, rich and poor. Energy demand, water resources, biodiversity and sea level rise are the main negative impacts; the impacts of climate change on human health and agriculture remain positive until 2100.
机译:FUND3.6的国家版本用于将气候变化的影响追溯到20世纪,并推算到21世纪。作物的二氧化碳肥和供暖能源需求减少是主要的积极影响。气候变化对水资源以及大多数年来对人类健康的负面影响。直到1980年,大多数国家都从气候变化中受益,但此后趋势对穷国不利,对富国有利。在20世纪,全球平均影响是积极的。在21世纪,影响在大多数国家(无论贫富)都变为负面。能源需求,水资源,生物多样性和海平面上升是主要的负面影响;气候变化对人类健康和农业的影响一直持续到2100年。

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