InsideClimate: The Holy Father doesnt give carbon credits or air conditioners his imprimatur. He favors a legally binding climate treaty tailored to the needs of the poor. And he has guidance on natural gas, boycotts, and paying the social costs of carbon. Fifty-five paragraphs into his wide-ranging encyclical on the global environment and the climate crisis, Pope Francis arched an ecclesiastical eyebrow at how much air conditioning you are using. "People may well have a growing ecological sensitivity," he wrote,...