Maison Internationale de l’Environnement II
Chemin de Balexert 7-9
1219 Châtelaine-Genève


+41 22 755 6545


Site web

Réseaux sociaux

Twitter | Facebook

R20 Regions of Climate Action is a not-for-profit international organization founded in 2011 by former Governor of California Arnold Schwarzenegger in cooperation with a number of leading regions and NGO’s, the United Nations, Development Banks, Clean-Tech companies, and Academia.

R20 mission is to accelerate sub-national infrastructure investments in the green economy to meaningfully contribute to the Sustainable Development Goals (SDGs). Their vision for the future involves inclusive, resilient, and low-carbon societies.

Through collaboration with and support from the Leonardo DiCaprio Foundation and their partners, R20 have created a technical and financial ecosystem (R20 Value Chain), which facilitates the identification, structuring, development, and financing of sub-national green infrastructure projects.


Christophe Nuttall

Christophe Nuttall is a Senior Advisor of R20 – Regions of Climate Action.