Due to the climate emergency, the European Union and several political entities have included in their legislation an objective of carbon neutrality by 2050. Because this topic is rich and its stakes so high, the European Conference on Energy Transition will decipher all the dimensions of the carbon neutrality. Nearly fifteen plenaries to inform, engage and inspire about consumption and lifestyles, tax savings, carbon sequestration, regional planning, exemplarity, cooperation and solidarity as well as the mobilization of actors. With european, national, regional, intermunicipal and municipal, patrimonial or even individual perspectives, this theme will be analyzed under multiple prisms and points of view: from elected officials to experts or journalists.