For this matter, he also co-chaired with Alain Grandjean the Commission for innovative financing for climate, mandated by the President of the French Republic.

[2] Canfin graduated initially from the Bordeaux Institute of Political Studies (Sciences Po) and then from Newcastle University.

Prior to that, Canfain was a human resources consultant (1999–2003), after being a representative of the French Democratic Confederation of Labour (CFDT) trade union for Nord-Pas-de-Calais (1997–1999).

At the 2009 European elections, Canfin was third candidate on the list put up by Europe Écologie, an electoral alliance of which the Greens were part, in Île-de-France, behind Daniel Cohn-Bendit and Eva Joly.

He has also been a negotiator on behalf of The Greens–European Free Alliance group on several legislative texts: In June 2010, Canfin initiated a call to the MEPs of the Economic and Monetary Affairs Committee to create a non-governmental organisation capable of developing a counter-expertise on financial activities led by the main financial operators (banks, insurance companies, hedge funds etc.).

Member of the Renew group, he is elected chair of the Committee on the Environment, Public Health and Food Safety.

[11] Within the framework of the Green Deal presented by the European Commission, Canfin works in favour of carbon neutrality by 2050, a 50-55% reduction in greenhouse gas emissions by 2030 and a just transition.