"Doug Peacock, as ever, walks point for all of us. Not since Bill McKibben’s The End of Nature has a book of such import been presented to readers. Peacock’s intelligence defies measure. His is a beautiful, feral heart, always robust, relentless with its love and desire for the human race to survive, and be sculpted by the coming hard times: to learn a magnificent humility, even so late in the game. Doug Peacock’s mind is a marvel—there could be no...