Let me tell you about a place. It is a small peninsula in one of the youngest corners of Earth, risen from the ocean floor as continental plates reached toward each other millions of years ago. Today it is one of the most biodiverse places left on the planet. Scarlet macaws cross the sky in pairs. At dusk, monkey crossings form something akin to rush hour for the jungle's residents, and the forest presses in on daily life with an aliveness that refuses to be background. The human communities ...