Crossings
Ben Goldfarb
W.W. Norton & Co., $30
Nearly 65 million kilometers of roadway crisscross the Earth — enough to encircle the planet more than 1,600 times — and that number will likely double by 2050. These roads have intruded into even the most remote corners of the world, and that has come at a cost: Vehicles are responsible for a staggering number of animal deaths. For instance, 1 million vertebrates are thought to die daily in collisions in the United States alone. Roads also kill indirectly, in part by fracturing migration routes and degrading pristine habitat.
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