Article · Wikipedia archive · Last revised Jul 25, 2026

Ecologist Party

The Ecologist Party, founded as Écologistes !, is a centre-left French political party that holds pro-European views, created in September 2015 by François de Rugy, President of the Europe Ecology – The Greens (EELV) group in the National Assembly and Jean-Vincent Placé, the President of the EELV group in the Senate.

Last revised
Jul 25, 2026
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Source
Ecologist Party
Parti écologiste
PresidentFrançois de Rugy
President in the National AssemblyGilles Le Gendre
FoundersFrançois de Rugy
Jean-Vincent Placé
Founded2 September 2015
Split fromThe Ecologists
Ideology
Political positionCentre-left1
National affiliationEnsemble Citoyens (since 2021)
La République En Marche! (since 2017)
Union of Democrats and Ecologists (2015–2016)
ColoursBlue, green
National Assembly
1 / 577
Senate
0 / 348
Website
le-parti-ecologiste.fr

The Ecologist Party (French: Parti écologiste, ), founded as Écologistes !, is a centre-left French political party that holds pro-European views,2 created in September 2015 by François de Rugy, President of the Europe Ecology – The Greens (EELV) group in the National Assembly and Jean-Vincent Placé, the President of the EELV group in the Senate.

This party was initially created as a reaction to the decision taken by EELV of making alliances with the Left Front. The aim of UDE founders was to create a reformist centre-left party, accepting globalization and market economy, and supporting president François Hollande. The founders of UDE declared they wanted to become a strong ally of the Socialist Party, and attract people from EELV or from the Democratic Movement.34

Since 2017, the party is part of La Republique en Marche!

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