ENERGIES 2050 is a French based Non-Governmental Organisation which gathers more than fifty nationalities. ENERGIES 2050 works in France and internationally on the Great Transition. This includes not only the energy transition but also the shift towards a more human, plural and united society, bringing peace and respecting the common goods of humanity Researches and actions of the NGO are related with Ecodevelopment and Sustainable development; Climate change (mitigation, adaptation and resilience); Environmental and Energy policies; Energy Transition (Rational use of energy, energy efficiency and renewable energies sources); Building and construction sectors; Stakes and challenges of rural and urban territories; Sustainable cities; Natural resources, common goods of humanity; The economics of ecology and of the environment; Dynamics responsible business and corporate performance; Sustainable tourism; Low-carbon development strategies; Gender equity; Environmental education; Social dynamics and behavioural changes and Civic-minded action (www.energies2050.org). We have a significant experience with EU and international projects.