Even as anti-gas tax riots raged in France this week, the naturalist David Attenborough warned a crowd at a United Nations climate change summit in Poland that the “collapse of our civilizations and the extinction of much of the natural world is on the horizon.” UN General Assembly President Maria Espinosa told the media that “mankind” was “in danger of disappearing” if climate change is allowed to progress at its current rate. Speakers, who flew in to swap doomsday stories and partake of the meat-heavy menu, advocated for radical changes to avoid this imminent environmental apocalypse. These days, “the point...