This strategy features in the framework of Agenda 21 as formulated at UNCED (Rio de Janeiro, 1992), now coordinated by the United Nations Commission on Sustainable Development and implemented through national and local authorities. Agenda 21 recommends developing land-use models based on local practices in order to improve such practices, focusing on prevention of land degradation. These models would give a better understanding of the variety of natural and human-induced factors that may contribute to desertification. They should incorporate the interaction of new and traditional practices to prevent land degradation and reflect the resilience of the whole ecological and social system.
IIASA is developing an integrated model of land use and land cover by analysing the global impact (through systematic and cumulative effects) of decisions taken by millions of individuals and to project how the foundations for individual decisions ( [eg] agronomic, economic, cultural, psychological) are affected by global change.