As the 25 Years of Progress in Radar Altimetry Symposium in the Azores draws to a close, Anny Cazenave from the Laboratoire d’Etudes en Géophysique et Océanographie Spatiales, France, joins ESA web TV to explain how satellite altimeters have revealed that sea level is rising, on average, by 3 mm a year – but over the last five years this rate has accelerated to almost 5 mm a year.
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