Professor Mohan Munasinghe, a development economist, has pointed out that these issues have been known about for a long time. We have been aware of these issues for decades, but we have not been able to make any progress yet. Professor Munasinghe has long been worried about and has worked diligently for the realization of sustainable development.
To this end, he has put forward important concepts to harmonize the environment, society, and economy, and his ideas have been incorporated into one of the SDGs.