Book excerpt: New to this Edition: Completely new lessons on "Theories in Environmental Sociology" (Lesson 2), "The Sociology of Environmental Health" (Lesson 11), and "Environmental Social Movements" (Lesson 18), written by new contributors, A brand new lesson on "Climate Change" (Lesson 15), written by a new contributor, A greater focus on issues of gender inequality and Indigenous peoples throughout, Updated data and examples in lessons, An invitation from the authors for students to post photos that represent the book's themes on social media, using hashtags linked to the book, An Instructor's Manual, available to all adopters, contains Discussion Questions, Suggested Media, and Additional Readings for each lesson. Book jacket.