This book treats different themes which are intrinsically linked and of extreme significance for the entire global community such as the necessity to cut emissions and transit toward a more sustainable and green economy. The content extends to the urgency to shape a new multilateralism and reinforce cooperation to achieve global goods, where the environment comes first, to the green finance which will play a fundamental role for the green transition paying particular attention to the United Nations' 2030 Agenda for Sustainable Development.A particular emphasis is given to the so-called 'Dual...