The AAAS Award for Scientific Freedom and Responsibility is presented by the American Association for the Advancement of Science to honor scientists, engineers, and their organizations whose exemplary actions have demonstrated scientific freedom and/or responsibility in challenging circumstances. The types of actions worthy of this award include acting to protect the public's health, safety or welfare; focusing public attention on important potential impacts of science and technology on society by their responsible participation in public policy debates; or providing an exemplary model in carrying out the social responsibilities of scientists, engineers or in defending the professional freedom of scientists and engineers.