Intro

Again, the annual COP conference ran long and ended with disappointment. Why can’t countries agree on what so clearly must be done? One big contributor to the changing climate is meat-eating, and China looks ever more carnivorous. And a new, push-button system to land planes whose pilots are incapacitated. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer

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