As world leaders and decision-makers join forces at COP26 to accelerate action towards the goals of the Paris Agreement, new research, again, highlights the value of satellite data in understanding and monitoring climate change. This particular new research, which is based on measurements from ESA’s CryoSat mission, shows that extreme ice melting events in Greenland have become more frequent and more intense over the past 40 years, raising sea levels and the risk of flooding worldwide.