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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In most parts of the world, the amount of water in the soil is the dominant factor that affects plant growth and crop yield. Through the process of photosynthesis and respiration, plants regulate carbon dioxide gas exchanges from and to the atmosphere, and this process is fundamentally controlled by water available to plants.