Foreword ix
Al Gore
Preface xiii
Discovering Ice
1(34)
Ice And Life: On Earth And Beyond
35(32)
When Ice Ruled The World
67(30)
Warming Up
97(36)
Nature At Work
133(18)
Human Footprints
151(40)
Melting Ice, Rising Seas
191(40)
Choices Amid Change
231(46)
Acknowledgments 277(4)
Index 281