REPER21 (European Network for the Promotion of a Responsible Economy, 21st century) is an organization with a vast experience in promoting and operationalizing Social Responsibility and Sustainable Development, which represents its mission and field of action.

Since its creation in 2006, the association has carried out a wide range of projects promoting the principles specific to Sustainable Development and Social Responsibility, as well as the frame of reference that underpin these two concepts.

Climate activism and education are key strategic objectives since the establishment of REPER21.