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Global urbanization and food production in direct competition for land: Leverage places to mitigate impacts on SDG2 and on the Earth System
The Anthropocene Review ( IF 2.5 ) Pub Date : 2019-04-01 , DOI: 10.1177/2053019619856672
Stephan Barthel 1, 2 , Christian Isendahl 3 , Benjamin N Vis 4 , Axel Drescher 5 , Daniel L Evans 6 , Arjan van Timmeren 7
Affiliation  

Global urbanization and food production are in direct competition for land. This paper carries out a critical review of how displacing crop production from urban and peri-urban land to other areas – because of issues related to soil quality – will demand a substantially larger proportion of the Earth’s terrestrial land surface than the surface area lost to urban encroachment. Such relationships may trigger further distancing effects and unfair social-ecological teleconnections. It risks also setting in motion amplifying effects within the Earth System. In combination, such multiple stressors set the scene for food riots in cities of the Global South. Our review identifies viable leverage points on which to act in order to navigate urban expansion away from fertile croplands. We first elaborate on the political complexities in declaring urban and peri-urban lands with fertile soils as one global commons. We find that the combination of an advisory global policy aligned with regional policies enabling robust common properties rights for bottom-up actors and movements in urban and peri-urban agriculture (UPA) as multi-level leverage places to intervene. To substantiate the ability of aligning global advisory policy with regional planning, we review both past and contemporary examples where empowering local social-ecological UPA practices and circular economies have had a stimulating effect on urban resilience and helped preserve, restore, and maintain urban lands with healthy soils.

中文翻译:

全球城市化和粮食生产直接竞争土地:利用地方减轻对SDG2和地球系统的影响

全球城市化和粮食生产正在争夺土地。本文就由于土壤质量相关问题而将农作物从城市和近郊土地转移到其他地区的需求进行了严格的审查,该土地需求占地球陆地表面的比例要比城市失去的表面积大得多侵犯。这种关系可能引发进一步的疏远效应和不公平的社会生态远程联系。它也可能在地球系统内引发运动放大效应。这些多重压力因素相结合,为全球南方城市的食品暴动奠定了基础。我们的评估确定了可行的杠杆作用点,可以采取这些措施来引导城市扩张远离肥沃的农田。我们首先阐述在宣布拥有肥沃土壤作为全球公地的城市和城市郊区土地方面的政治复杂性。我们发现,将全球性咨询政策与区域性政策相结合,可以为自下而上的行为者提供稳固的共有财产权,并作为干预的多层次杠杆场所,推动城市和近郊农业(UPA)的运动。为了证实使全球咨询政策与区域规划保持一致的能力,我们回顾了过去和当代的例子,在这些例子中,增强地方社会生态UPA做法和循环经济对城市的复原力具有刺激作用,并有助于保护,恢复和维护城市土地。健康的土壤。我们发现,将全球性咨询政策与区域性政策相结合,可以为自下而上的行为者提供稳固的共有财产权,并作为干预的多层次杠杆场所,推动城市和近郊农业(UPA)的运动。为了证实使全球咨询政策与区域规划保持一致的能力,我们回顾了过去和当代的例子,在这些例子中,增强地方社会生态UPA做法和循环经济对城市的复原力具有刺激作用,并有助于保护,恢复和维护城市土地。健康的土壤。我们发现,将全球性咨询政策与区域性政策相结合,可以为自下而上的行为者提供稳固的共有财产权,并作为干预的多层次杠杆场所,推动城市和近郊农业(UPA)的运动。为了证实使全球咨询政策与区域规划保持一致的能力,我们回顾了过去和当代的例子,在这些例子中,增强地方社会生态UPA做法和循环经济对城市的复原力具有刺激作用,并有助于保护,恢复和维护城市土地。健康的土壤。
更新日期:2019-04-01
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