This study aims to gain knowledge on local ecotechnologies (study funded by “DIRECCTE Alsace”) and set up an observatory for ecotechnologies, which will communicate on resources and gather data on: *the setup of ecotechnological activities *the characterization of the industrial base and employment *the scientific potential *technological and non-technological innovation *Cooperation on these matters. The Annual declaration of social data (DADS) will be used to produce indicators on employment characteristics of the ecotechnology local sector.