Our social emotions, like anger, compassion, guilt and gratitude, are really designed to help us solve the Tragedy of the Commons.
Dr. Joshua D. Greene is an American experimental psychologist, neuroscientist, and philosopher. He is a Professor of Psychology at Harvard University. Most of his research and writing has been concerned with moral judgment and decision-making. His recent research focuses on fundamental issues in cognitive science. He is also the author of Moral Tribes: Emotion, Reason and the Gap Between Us and Them.