The complexity of multidimensional realities, where social, environmental, physical, economic and political aspects intertwine, poses great challenges for incorporating considerations of human development to sustainable development initiatives. The authors, social scientists formally trained in the environmental field, who have been involved in socio-environmental projects, dissert on sustainability, and the human development and capability approach as alternatives to the Welfarist notion of development. They emphasize the need for new analytical frameworks and propose tools that conceive...