https://www.knmi.nl/over-het-knmi/nieuws/samenwerking-tussen-earthcare-s-satelliet-instrumenten
https://www.esa.int/Applications/Observing_the_Earth/FutureEO/EarthCARE
https://www.esa.int/About_Us/ESTEC
https://www.esa.int/Applications/Observing_the_Earth/FutureEO/EarthCARE/EarthCARE_synergy_reveals_power_of_clouds_and_aerosols