This open access book describes in detail what life on this planet would be like if its average surface temperature were to rise 3 degrees Celsius above the preindustrial level. On this basis, the book argues that it is imperative to keep this temperature rise below 2 degrees Celsius. It then lays out a detailed plan of what politically feasible, cost-effective measures should now be taken to achieve this goal. In this context, the book provides detailed discussions of climate finance, climate education and nature-based solutions. The book has been translated into English from the original German version published in 2022, and contains an original foreword and preface.

Klaus Wiegandt, born in Stettin in 1939, studied at the University of Economics and Politics in Hamburg, then worked in management positions in the German retail sector for around 30 years and was CEO of an international trading company.

Since the end of his professional career in 1999, Klaus Wiegandt has dedicated himself to fundamental questions of life and major social challenges on a scientific basis as founder and chairman of Forum für Verantwortung. His foundation promotes education, science and research, especially in the field of sustainable development.