MC2020, with sustainability and performance‐based design at its core, is the model code for future thinking. It is designed so that both new construction and interventions can be completed based on this model code, bringing together the world's most advanced technologies. In this paper, the basic stance of fib toward sustainability is firstly described. Then, as the future envisioned by MC2020, examples of low‐carbon concrete structures will be presented. The paper also discusses the form and uses of conceptual design that MC2020 emphasizes and presents examples of new construction and the extension of service life/adaptation/upgrading of existing structures. New technologies for a circular economy will also be proposed. Sustainability has economic, social, and environmental aspects, and the optimization of each will eventually lead to carbon neutrality. It can be said that MC2020 will help us to arrive at solutions to those complex challenges.