Title: Four Fifths a Grizzly: A New Perspective on Nature That Just Might Save Us All Author: Douglas Chadwick Publisher: Patagonia Publication Date: June 15, 2021 Format: Hardcover Page Count: 256 pages Synopsis & Reviews The book is a thought-provoking exploration of humanity's intrinsic connection to the natural world, using personal stories and scientific evidence to argue for a renewed perspective on conservation. Genetic Connection: Chadwick highlights the surprising genetic similarities between humans and other creatures, noting we share approximately 80% of our DNA with grizzly bears, 60% with salmon, and even 24% with a wine grape. Conservation Focus: The book discusses practical, large-scale conservation initiatives like the Yellowstone to Yukon Conservation Initiative and provides examples of how individual actions can make a meaningful difference. Expert Opinions: Reviewers praise the book as a "fresh and engaging take" on our relationship with nature, with one expert from Foreword Reviews noting it "reinforces humanity's fundamental relationship with, and reliance on, nature". The writing style is described as accessible and engaging, translating complex scientific matters into popular prose.