The third edition of this introductory textbook for both science students and non-science majors has been brought completely up-to-date. It reflects recent scientific progress in the field, as well as advances in the political arena around climate change. As in previous editions, it is tightly focussed on anthropogenic climate change. The first part of the book concentrates on the science of modern climate change, including evidence that the Earth is warming and a basic description of climate physics. Concepts such as radiative forcing, climate feedbacks, and the carbon cycle are discussed and explained using basic physics and algebra. The second half of the book goes beyond the science to address the economics and policy options to address climate change. The book's goal is for a student to leave the class ready to engage in the public policy debate on the climate crisis.

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