G.E.O.T.A. is an independent national, non-profit, non-governmental organization. Since 1986, G.E.O.T.A. has been actively involved in every major environmental struggle in Portugal, regarding law and policy, in addition to specific projects. G.E.O.T.A. also conducts ongoing work in the field of environmental education through professional training courses, publications and grassroots projects. The organisation covers a variety of environmental issues, including coastal and marine water protection.