Droughts and floods have become a regular problem across the world. According to the UN, water scarcity already affects 40% of the world population, and 90% of natural hazards are related to water. The absence of sufficient water resources threatens crops, which in turn increases food prices. It can also cause a shortage of drinking water or affect industry by drying up shipping routes. Developed by Astrium for the European Space Agency, the novel instruments onboard the SMOS satellite has been providing accurate data on soil moisture and ocean salinity since its launch in 2009. While salinity levels are one of the most important variables that affect ocean circulation, maps of soil moisture are a further step in predicting natural disasters. By looking at microwave radiation emitted from Earth in order to calculate the amount of moisture held in the surface layer of soil, SMOS has discovered a trend of below-average rainfall across Europe in the last years. Low water content in the soil is especially pronounced in Spain, France and the UK. In addition to the data on the water cycle and the impact of droughts, SMOS has also emerged as a tool for measuring the wind speed of hurricanes , the impact of floods and frost, and for analysing climate and its evolution.