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Full Description
With tipping points and extreme global warming looming, the key to understanding our climate future lies in our distant past
"If you care at all about our future, you must read Runaway Climate." —Richard Heinberg, Senior Fellow, Post Carbon Institute,
With rising emissions, we are on track to cause rapid global warming with devastating con- sequences. But how bad could climate change get and what might it do to planet Earth and humanity?
Fifty-six million years ago our planet experienced a period of intense warming known as the Paleocene Eocene Thermal Maximum (PETM), resulting in a rapid global temperature increase of about 7oC. Triggered by natural geological processes over millennia and magnified by strong climate feedback loops, the PETM lasted for about 180,000 years and drastically altered life on Earth. Yet in only a few short decades we've pumped similar amounts of greenhouse gasses into the atmosphere, making the PETM an unsettlingly apt analogy for our current predicament. This deeply cautionary tale explores:
The runaway feedbacks that pushed the PETM's climate past the tipping point
Subsequent cascades of environmental devastation—from plant and animal migrations to ocean acidification, extreme weather, and mass extinctions
A sobering vision of life on hothouse Earth—a hostile world of desertification, sea-level rise, climate refugees, and agricultural collapse
The urgent need for decisive individual and collective actions to slash carbon emissions, stabilize the climate, and undertake a rapid transition to a cleaner and healthier future.
Scientifically rigorous, yet accessible to a wide audience, Runaway Climate is essential reading for every- one committed to understanding and taking action on the climate emergency.
Contents
Synopsis
Acknowledgments
Preface
Part I What Happened in the Past?
Chapter 1: The Bighorn Basin
Chapter 2: The Late Paleocene World
Chapter 3: Understanding Past Climates
Chapter 4: Changes in the Oceans During the PETM
Chapter 5: Changes on Land During the PETM
Chapter 6: What Caused the PETM Runaway Climate?
Chapter 7: What Is Similar Now and What Is Different?
Part II Where We Are Heading If We Don't Change Course
Chapter 8: How the Oceans Might Change Under PETM Conditions
Chapter 9: How the Land Might Change Under PETM Conditions
Chapter 10: Where Will Everyone Go?
Chapter 11: What Do We Need to Do Now?
Abbreviations
Appendix
Endnotes
Index
About the Author
A Note About the Publisher
