At present, UON supports:
Rewilding Europe with m² in Coa Valley, Portugal
WILD Foundation with m² in Yawanawa, Brazil
International Fund for Animal Welfare with m² in Kitenden Corridor, Kenya
Rewilding Argentina with m² in Reserva Yerbalito, Parque Iberá, Argentina
ARK Natuurontwikkeling with m² in Het Groene Woud, the Netherlands
Peace Parks Foundation with m² in Simalaha, Mwandi, Zambia
Asepaleco Foundation with m² in Karen Mogensen Reserve, Nicoya Peninsula, Costa Rica
UON is onboarding new members and areas all the time, so this may already have expanded.