Due to climate change, the world's oceans are getting warmer, rising higher, losing oxygen and becoming more acidic at an ever-faster pace and melting even more ice and snow, a grim international science assessment concludes.
But that's nothing compared to what Wednesday's special United Nations-affiliated oceans and ice report says is coming if global warming doesn't slow down: three feet of sea rise by the end of the century, many fewer fish, weakening ocean currents, even less snow and ice, stronger and wetter hurricanes and nastier El Nino weather systems.
"The oceans and the icy parts of the world are in big trouble and that means we're all in big trouble too," said one of the report's lead authors, Michael Oppenheimer, professor of geosciences and international affairs at Princeton University.
"The changes are accelerating."
And for the first time, the international team of scientists is projecting that "some island nations are likely to become uninhabitable due to climate-related ocean and cryosphere change."
"Sea level continues to rise at an increasing rate," the report said. "Extreme sea level events that are historically rare (once per century in the recent past) are projected to occur frequently (at least once per year) at many locations by 2050."