What Are You Optimistic About?: Today's Leading Thinkers on Why Things Good and Getting Better

Spanning a wide range of topics—from string theory to education, from population growth to medicine, and even from global warming to the end of world— is an impressive array of what world-class minds (including Nobel Laureates, Pulitzer Prize winners, bestselling authors, and Harvard professors, among others) have weighed in to offer carefully considered optimistic visions of tomorrow. Their provocative and controversial ideas may rouse skepticism, but they might possibly change our perceptions of humanity's future.