Everyone knows that species go extinct and biodiversity decreases. It seems obvious that this loss might have disastrous consequences. Maybe because of a cascading effect we will end up in a barren moonscape – and if that does not happen, we at the very least remain dependent on biodiversity for food, health and well-being.

This essay tries to remove some fear; there are no reasons to believe that biodiversity loss will cause any kind of disaster. Nature is not like a machine that stalls i...