Free Earth Observation data from European Space Agency

This might be a starting point for a interesting school project...

How to get Earth observation data

How do you go about obtaining ESA Earth observation data products for your own use? The answer depends on the type of Earth observation data needed.

Free dataset

Most of the ESA Earth observation datasets are available on the Internet free of charge. Access is granted after user registration through the Earth Observation Principal Investigator Portal, which also provides the detailed content of the free datasets.