Marie Toussaint is a French jurist and politician who was first elected as a Member of the European Parliament in 2019. She has been serving on the Committee on Industry, Research and Energy (ITRE). She is leading the EU’s environmental crime directive for the Greens in the Parliament and supports protection of the environment through criminal law, including ecocide being made a crime in the EU.

At the age of 18, Meari entered politics at Europe Ecology – The Greens and became co-secretary of the Young Ecologists in 2011. In 2015, she founded Notre affaire à tous, an NGO defending a right to climate justice.