The econtur gGmbH is the agency for sustainable projects in the Sustainability Center Bremen, that works in education, media development, social-scientific sustainability research for working with target groups, as much as volunteer programmes. Cooperation partners are in Germany, South Africa, India and Indionesia.

econtur was the carrier for the voluntary ecological year in the Free Hanseatic State of Bremen for many years and together with BORDA is a registered carrier for the weltwärts volunteer service of the Federal Ministry of Economic Cooperation and Development. econtur was founded in the year 1996 and is a non-profit company with limited liability.