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Roy Brouwer, Executive Director of the Water Institute and University Research Chair in Water Resources Economics, contributed to an article recently published by Great Lakes Now, an initiative of Detroit Public TV and PBS.

The article is part of a two-part series looking at the cost of water in Ontario and Michigan.

Throughout history, the first and foremost role of urban water management has been the protection of human health and the aquatic environment. To this end, the practice of (waste)water treatment has maintained a central focus on the removal of pollutants through dissipative pathways.

São Paulo is not only Brazil’s economic engine and financial centre but also the most populous state in the country, with around 44 million inhabitants in big cities, like the state capital of São Paulo, which has faced water security challenges in recent years. These severe water scarcity conditions impact all aspects of life, including human and environmental health. In an effort to identify new, innovative water management approaches that increase water security in both the urban and rural areas in the state of São Paulo, the Water Institute is collaborating with several Brazilian partners on a new five-year, US$1.2M project entitled “SACRE: Integrated water solutions for resilient cities” funded by the São Paulo Research Foundation (FAPESP).

Is it possible to calculate the value of water in all its dimensions?

Roy Brouwer, Executive Director of the Water Institute at the University of Waterloo (UW) in Canada, adds: “Unfortunately, there are no studies that estimate a single constant global value in dollars or euros, since it depends on scarcity conditions, that vary around the world, the season (in summer it rises due to lower availability and in winter it decreases), pollution and excessiv