@CNN: Last year was the hottest for the planet’s oceans since global records began in 1958. The top five years of ocean heat have come in the last five years. https://t.co/dq6UvwJMO4

@CNN: Last year was the hottest for the planet’s oceans since global records began in 1958. The top five years of ocean heat have come in the last five years. https://t.co/dq6UvwJMO4