How much evidence do you need to believe that a potential emergency is really serious? What will convince you to act in the face of impending disaster?

Those questions lie at the heart of Jonathan Safran Foer’s remarkable book. His subject is ostensibly the climate crisis and, in particular, a plea to eat less meat and dairy food. If you can’t go wholly vegan, then at least resist animal products at breakfast and lunch and restrict them to dinner.

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