本文考虑了选定金属(铜、稀土元素和钴)的提取和精炼对健康和环境的负担和影响,以及如何通过向循环低碳经济过渡来减少影响。,全球行业的表现千差万别。一些企业在促进金属和其他材料再利用和回收的框架内以高标准运营。其他人对工人(包括童工)及其设施周围的人员和环境造成重大伤害。在一些国家,开采金属矿仍然是一种高度危险的职业。不同地区的污染物排放标准差别很大。生命周期分析一再证明回收金属的好处。该报告向政策制定者、金属和制造业提出了一些建议。
This technical note describes data and methods that enable communities in the United States to include forests and trees outside forests in their greenhouse gas (GHG) inventories using the Land Emissions and Removals Navigator (LEARN) tool. LEARN is an interactive web tool that provides automated analysis of the GHG impacts of forests and trees at the community scale. This is a living document that will be updated as improvements to the tool and its data sources are completed.
This technical note describes data and methods that enable communities in the United States to include forests and trees outside forests in their greenhouse gas (GHG) inventories using the Land Emissions and Removals Navigator (LEARN) tool. LEARN is an interactive web tool that provides automated analysis of the GHG impacts of forests and trees at the community scale. This is a living document that will be updated as improvements to the tool and its data sources are completed.
本技术说明描述了使美国社区能够使用土地排放和清除导航器(LEARN)工具将森林和森林外树木纳入其温室气体清单的数据和方法。LEARN是一个交互式网络工具,可在社区范围内自动分析森林和树木的温室气体影响。这是一个活文档,将随着工具及其数据源的改进完成而更新。
人工智能技术已经发展成为一种通用技术,渗透到经济和社会的各个部门,有可能彻底改变各个行业,促进经济增长。它们提高生产力、效率和可扩展性的潜力可能会对非洲和全球格局产生重大影响。然而,所有这些潜力都引发了非洲国家参与实现这一潜力的问题