Scenario Consequence Analysis he Isle au Haut charette used a scenario-conse- quence approach to explore a range of spatially explicit management options. It was agreed that the present system is not ecologically sustainable. Some of the hypothetical scenarios appeared inadequate to meet ecological sustainability goals or appeared incon- sistent with societal constraints. Other scenarios suggest a potential win-win situation, establishing both sustainable agri- Ecological sustainability of a cultural and sustainable healthy Everglades requires ecological systems reestablishment of much of the while also meeting an- natural hydrological system in ticipated urban needs. order to provide the water quantity, timing, and distribution. This is necessary over a sufficiently large area to support the ecological components, such as wading birds and a mosaic of habitats, that constitute the essence and uniqueness of the Everglades.