“Globally Important Agricultural Heritage Systems” an initiative of UN’s FAO is defined as
Remarkable land use systems evolving from the co-adaptation of a community with its environment
GIAHS are defined as "Remarkable land use systems and landscapes which are rich in globally significant biological diversity evolving from the co-adaptation of a community with its environment and its needs and aspirations for sustainable development".
FAO presented GIAHS as a Partnership Initiative on the occasion of the World Summit on Sustainable Development (WSSD, Johannesburg, 2002) and benefited from the Project Development Facility (PDF) of the Global Environmental Facility (GEF) for initial conceptualization and subsequent funding of the Full Scale Project Implementation. Main partners include UNESCO, CBD, UNU, IFAD, the Federal Republic of Germany, IUCN, UNDP.
GIAHS Initiative promotes an “adaptive management” approach to exploring and developing novel social, economical and governance processes that strengthen the existing livelihood and management practices that generate sustainable agriculture and rural development