ESA Observing the Earth

Satellite data have captured the intensity of rainfall over the Iberian Peninsula during three severe winter storms, and the extent of flooding that followed around the Tejo River and basin in Portugal.

With fewer cars on the road, planes in the air and factories running, the skies seemed cleaner during the Covid-19 pandemic. However, while there was a decline in pollutants such as nitrogen dioxide, scientists were surprised to see that methane surged in the early 2020s and then dropped – and now they know why.

Destination Earth (DestinE), a flagship initiative funded by the European Commission, to develop a highly accurate digital replica of Earth’s systems, is preparing to extend its rollout, so more people across Europe are able to access its data.

A study on tectonic plates that converge on the Tibetan Plateau has shown that Earth’s fault lines are far weaker and the continents are less rigid than scientists previously thought. This finding is based on ground-monitoring satellite data.

The first images from the Meteosat Third Generation-Sounder satellite have been shared at the European Space Conference in Brussels, showing how the mission will provide data on temperature and humidity, for more accurate weather forecasting over Europe and northern Africa.

The Minoans were a sophisticated Bronze Age civilization (c. 3100–1100 BC) on Crete and widely regarded as Europe’s earliest advanced culture. They are best known for their impressive palace complexes, most notably Knossos, and for their far-reaching maritime trade, which most likely relied on celestial navigation and a detailed understanding of the constellations. The Minoans recognised a hidden order in the natural world: a force to be respected, yet also harnessed for human benefit. Their era, the Age of Bronze, marked a pivotal moment in the development of human society.

Today, our own relationship with nature must find a new equilibrium. The need to monitor environmental change has never been more urgent, and satellites provide the most powerful means of doing so. This video draws a line from the world of the Minoans to the satellites orbiting above us today, highlighting the vital role of metrology – the science of measurement – in ensuring that the data they provide are accurate and trustworthy. And it turns out that Crete is an ideal location for unique reference network that helps carry out this important task â€“ and particularly important for the Copernicus Sentinel-6 mission. 

The Sentinel-6 satellites carry the latest radar altimetry technology to further extend the sea-surface height record that began in the early 1990s. These measurements help scientists understand sea-level rise – crucial information for shaping climate policy and protecting the millions of people living in coastal areas around the world.

The first Sentinel-6 satellite was launched in November 2020, followed by Sentinel-6B in November 2025.

ESA’s first Scout mission, HydroGNSS, was launched on 28 November 2025, marking a significant step in advancing global understanding of water availability and the effects of climate change on Earth’s water cycle.

The two twin HydroGNSS satellites were carried into orbit aboard a SpaceX Falcon 9 rocket from the Vandenberg Space Force Base in California, US.

Embracing the New Space concept, HydroGNSS is one of ESA’s new Scout missions being developed within the Earth Observation FutureEO programme.

ESA’s first Scout mission, HydroGNSS, was launched on 28 November 2025, marking a significant step in advancing global understanding of water availability and the effects of climate change on Earth’s water cycle.

The two twin HydroGNSS satellites were carried into orbit aboard a SpaceX Falcon 9 rocket from the Vandenberg Space Force Base in California, US.

Embracing the New Space concept, HydroGNSS is one of ESA’s new Scout missions being developed within the Earth Observation FutureEO programme.

ESA’s first Scout mission, HydroGNSS, was launched on 28 November 2025, marking a significant step in advancing global understanding of water availability and the effects of climate change on Earth’s water cycle.

The two twin HydroGNSS satellites were carried into orbit aboard a SpaceX Falcon 9 rocket from the Vandenberg Space Force Base in California, US.

Embracing the New Space concept, HydroGNSS is one of ESA’s new Scout missions being developed within the Earth Observation FutureEO programme.

Eumetsat takes control of Sentinel-6B