The goals of this issue on psychology and the promotion of a sustainable future are (1) to introduce the breadth of environmental problems that currently face humanity, (2) to explore alternative courses of action that might facilitate the attainment of a sustainable future, (3) to expose the reader to interdisciplinary perspectives regarding sustainability, and (4) to introduce the results of empirical research whose application can assist in the promotion of sustainability. This first article provides a brief introduction to the environmental problems facing the world, an overview of social science research related to sustainability, and a summary of the articles in this issue.