Though the Paris Agreement on climate change was a significant achievement, most authorities agree that its measures to reduce greenhouse-gas emissions will be insufficient to offset the forecasted increase in global warming. Even in the unlikely case of ideal compliance, the Earth will still experience major climate-driven damages. Given this reality, climate expert Roger A. Sedjo argues in this book that a Plan B is required. He makes a compelling case that doing more of the same, by focusing only on the mitigation plan of the Paris Agreement, will leave humanity increasingly vulnerable; instead, we must also begin planning adaptation strategies--Plan B--which enable societies to anticipate and protect against the worst effects of inevitable climate change.