In those joint sites that face the most significant threats, the joint designation can add urgency to raising funds and awareness. In some sites, however, simply achieving coherent action between diverse local agencies at the local level can be enough of a struggle, without giving consideration to international treaties. The MoU of 1999 between the Ramsar Convention Secretariat and World Heritage Centre remains in force, providing a framework for synergies to this day. Its original aims continue to be relevant and useful: to promote the nomination of wetland sites under both conventions, share expertise, coordinate reporting, and collaborate on missions to threatened sites.