AdvertisementArctic Report Card Documents 'Cascading Effects' Of Warming Ocean TemperaturesDecember 12, 2018Samantha RaphelsonfacebookEmailSea ice is seen from NASA's Operation IceBridge research aircraft off the northwest coast of Greenland in March 2017. A new report says rapid warming over the past three decades has led to a 95 percent decline of the Arctic's oldest and thickest ice. (Getty Images)