In the last years sanitation companies have restrained their investments, not just due to the fact that the necessary resources of thesector exceed by far the classic possibilities of the national budgets financing, but also due to the fact that the traditional solution ofexternal financings...

"The concept of resilience is widely promoted as a promising notion to guide new approaches to ecosystem and resource management that try to enhance a system's capacity to cope with change. A variety of mechanisms of resilience specific for different systems have been proposed. In the context of...