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The world's oceans are warmer than ever. The past month's been the hottest on record with the average temperature reaching 21 degrees Celsius. Data from research institutes in the United States and Europe show record temperatures of 38 degrees off the coast of Florida. Waters in the North Atlantic near the North Pole are also much warmer than normal at this time of year. Scientists are unsure about the causes - but warn the effects will be felt across the world. Martin Visbeck is an oceanographer at the GEOMAR Ocean Research Center in the German city of Kiel. We asked him to explain what is happening there and why we’re getting these record temperatures now? #ocean #climatechange #globalwarming Subscribe: For more news go to: Follow DW on social media: ►Facebook: ►Twitter: ►I
