On the occasion of Earth Day, Thursday April 22, 2021, the CNRS is offering a selection of research to “fix” the world. Indeed, if scientists deliver diagnoses on environmental crises, they also try to bring solutions which, without pretending to save the world, can contribute to mitigate the effects and help us to adapt to the upheavals in progress. Here is a fascinating dossier from the CNRS, to be read here.