The early twenty-first century carries with it both the promise of the future and the concerns and complexities of the past. In a world made smaller by advances in technology, transportation, and communication, certain issues are bound to affect us all in some way and at some point in our lives simply because of the times in which we live. Through clear text and specific examples, this series examines six compelling issues that deserve our attention as responsible world citizens. After all, the first steps toward improving life for everyone around the globe begin with an understanding of these 21st Century Issues.