" In the Sea of Japan, 500 million Nomurai jellyfish—each more than two meters in diameter—are clogging fishing nets; a region of the Bering Sea is so full of jellies that it’s been renamed “Slime Bank.” “Jellyfish grow faster and produce more young in warmer waters,” one researcher explained. "

― Bill McKibben , Eaarth: Making a Life on a Tough New Planet