popemobileTHE political masters of the world are gathering in a Paris traumatised by terror to consider another sort of emergency, climate change; and they are not, of course, starting from scratch. As always happens with summits, there have been months of deliberation by technocrats who have mapped out possible breakthroughs. The unusual thing about this gathering is that mankind’s religious guardians have also been preparing for it; their voices have been rising in a crescendo of moral concern.

And surprisingly enough, this spiritual activism has been fostered by Fran├ºois Hollande, the socialist president of a secular republic who has firmly renounced the Catholic faith in which he was raised. “I respect all

[religious] confessions. Mine consists of not having any,” he once said.

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