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Renewable resource
A renewable resource is an organic natural resource which can replenish to overcome usage and consumption, either through biological reproduction or other naturally recurring processes. Renewable resources are a part of Earth's natural environment and the largest components of its ecosphere. A positive life cycle assessment is a key indicator of a resource's sustainability.〔"Management for a Small Planet" by Jean Garner Stead and W. Edward Stead, M.E. Sharpe 2009〕
Definitions of renewable resources may also include agricultural production, as in sustainable agriculture and to an extent water resources.〔(What are “Renewable Resources”? ), by A. John Armstrong, Esq. & Dr. Jan Hamrin, Chapter 1, The Renewable Energy Policy Manual, Organization of American States, undated. Retrieved 2013-01-05.〕 In 1962 Paul Alfred Weiss defined Renewable Resources as: "''The total range of living organisms providing man with food, fibres, drugs, etc...''". Another type of renewable resources is renewable energy resources. Common sources of renewable energy include solar, geothermal and wind power, which are all categorised as renewable resources.
==Food and water==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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