The European Space Agency (ESA) is Europe’s gateway to space. Its mission is to shape the development of Europe’s space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world.
Find out more about space activities in our 23 Member States, and understand how ESA works together with their national agencies, institutions and organisations.
Exploring our Solar System and unlocking the secrets of the Universe
Go to topicProtecting life and infrastructure on Earth and in orbit
Go to topicUsing space to benefit citizens and meet future challenges on Earth
Go to topicMaking space accessible and developing the technologies for the future
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Satellites can monitor the entire Earth, 24 hours a day, giving us crucial information on our constantly changing planet.
ESA’s Envisat, the largest Earth Observation satellite ever launched, keeps a watchful eye on all kinds of phenomena such as floods, melting ice, forest fires, the rising sea level and oil pollution in our oceans, to help us make fast and informed decisions to protect our environment.