This landmark reference is a comprehensive, one-stop, interdisciplinary resource that examines current, critical social issues in historical and global contexts. Nearly 150 in-depth, balanced, and thought-provoking articles cover a broad range of critically important topics: the environment, health, science, the media, ethnic conflicts, poverty, and immigration, to name just a few. Each original, signed article provides historical context as well as a thorough discussion and analysis of contemporary issues facing today's interconnected world.