Strengthening the mechanisms for co-ordination, with clear agreements on roles and functions, could assist in this process. Implementation of the NAS will require close co-operation between the federal government and the Lander, as the latter have legislative competence in many of the key areas for climate change adaptation. The current absence of specific targets and criteria for assessing progress could impede the development of such a system. It lists some 300 projects and indicates the extent of adaptation activities in various sectors and at various levels of government.