This is a special issue dedicated mostly to the best studies on waste management presented at the 17^th International Conference on Environmental Science and Technology (CEST) that took place on Rhodes Island, Greece, in September 2019. During this biennial international environmental conference established in 1989, top experts, scientists, entrepreneurs, representatives of public administration and social initiatives present state-of-the-art research on current and emerging environmental issues. CEST is thus a platform where academia and business converge; where academic research, innovative ideas and solutions serve as the basis for providing a cleaner, healthier and more sustainable environment. The papers presented in the conference involved research conducted between 2018 and early 2019. However, since then, the European Commission has published the European Green Deal communication that sets out policy initiatives aiming to help the European Union (EU) achieve its 2050 climate neutrality goal. With the proposed Green New Deal, the United States of America (USA) is bound to implement a similar path. This is a gigantic pulse that produces waves of strategic planning and legislation that will greatly affect resources management and waste valorisation in the EU, the USA and around the world.

中文翻译：

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数字循环生物经济–新时代废物管理的机遇与挑战

这是一个特刊，主要致力于第十七^届会议上提出的有关废物管理的最佳研究国际环境科学与技术会议（CEST）于2019年9月在希腊罗得斯岛举行。在1989年成立的每两年一次的国际环境会议中，顶级专家，科学家，企业家，公共管理和社会倡议的代表介绍了以下信息：有关当前和新兴环境问题的最新研究。因此，CEST是学术界和企业融合的平台；在这里，学术研究，创新思想和解决方案可作为提供更清洁，更健康，更可持续的环境的基础。会议上发表的论文涉及2018年至2019年初进行的研究。但是，从那时起，欧盟委员会发布了《欧洲绿色协议》通讯，其中提出了旨在帮助欧盟（EU）实现2050年气候中和目标的政策倡议。通过拟议的绿色新政，美利坚合众国（美国）必将实施类似的道路。这是一个巨大的脉搏，产生了战略计划和立法浪潮，将极大地影响欧盟，美国和世界范围内的资源管理和废物估价。