Oceans are heating up as El Niño weather patterns return
The climate phenomenon known as "El Niño" has caused oceans to reach the highest temperatures in recorded history.
A pair of dolphins leap in the wake of Royal Caribbean cruise line ship 'Grandeur of the Seas' July 18, 2013 in the Atlantic Ocean between Bermuda and the United States main land.(photo credit: GARY CAMERON/REUTERS)BySHACHAR BERDISHEVSKY/MAARIV, REUTERS
