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Deciphering the ‘SPM AR6 WG1’ code

Real Climate

Climate scientists are convinced that the world oceans have warmed down to a depth of 700 m since the 1970s because of our past emissions of greenhouse gases. The global mean sea level has increased by 20 cm from 1901 to 2018, and the rate of increase has accelerated and is now about 3.7 mm increase every year.