The #ClimateChange clock is ticking faster in #Greenland. Research using data from ESA's #Cryosat mission shows that extreme ice melting events in the region have become more frequent and more intense over the past 40 years. The research also shows that between 2011 and 2020, meltwater runoff from Greenland raised the global sea level by one centimetre. Worryingly, one third of this total was produced in just two separate years, in 2012 and 2019 – two hot summers when extreme weather led to reco