近期联合国环境规划署在印度新德里发布报告探讨了关系粮食供应安全的两大养分元素——氮和磷的利用、影响及管理问题。另外,报告还分析了它们在全球及地方可持续发展日程中的重要作用:一方面,它们的生产及利用能增加作物产量,保证粮食安全;另一方面,他们的过量使用会严重污染大气、水资源、土地及海岸。本期专题对该报告的要点进行简要介绍,以期为中国相关领域的工作提供参考和借鉴。 In a recent report released by the United Nations Environment Program in New Delhi, India, the issue of the use, impact and management of nitrogen and phosphorus, the two major nutrient elements related to food security, was explored. In addition, the report analyzes the important role they play in the global and local sustainable development agenda: on the one hand, their production and utilization can increase crop yield and ensure food security; on the other hand, their over-use can seriously pollute the atmosphere, Water resources, land and coast. This issue of the report briefly introduces the main points of the report, with a view to providing reference and reference for the work in related fields in China.