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Investor Presentaiton

NATURAL INFRASTRUCTURE FOR WATER Natural infrastructure solutions help in the conservation, restoration and management of ecosystems often more efficiently and with better cost/benefit ratios than traditional approaches using concrete and steel. Forests are important agents of natural infrastructure: they help guarantee supply, control erosion and purify water, and retain sediment. In other words, improving water quality is among the most precious services that the conservation and restoration of native vegetation can offer. The project "Natural Infrastructure for Water in Brazil" assessed two of the most important water supply sources in the country, the Cantareira System, in São Paulo, and the Guandu System, in Rio de Janeiro, and is concluding the assessment of a third water source, the Jucu System, in Espírito Santo. The aim of the assessment is to demonstrate the financial returns on investment in natural infrastructure to improve the supply and quality of water, so that public and private investors understand the importance and viability of these practices as a complement to conventional infrastructure. The two studies show that restoring degraded pasture in watershed priority areas reduces the flow of sediments into reservoirs and consequentially diminishes water turbidity, facilitating treatment processes. This helps cut costs for basic sanitation companies, attesting to the financial return on restoration and improving the quality of water supplied to cities. Both in the Cantareira and Guandu systems, natural infrastructure has proven itself economically viable and an important auxiliary strategy to face the water crisis. In the Guandu System in Rio, savings may be as much as BRL 156 million in 30 years, with a return on investment of 13% - an economic result compatible with an investment in the water supply sector. In the case of the Cantareira System, in São Paulo, the study showed that, over thirty years, cuts in spending thanks to the investment in natural infrastructure represents saving of UQ9 million or, in the language of investors, a ROI of 28%, compatible with traditional infrastructure works in the water supply sector. - In 2018, the World Resources Institute (WRI), WRI Brasil and partners launched two reports compiling the results of the analysis: "Natural Infrastructure for Water in the Cantaneira System, São Paulo" and "Natural Infrastructure for Water in the Guandu System, Rio de Janeiro". With the support of Boticário Foundation, WRI Brasil also organized a series of debates in São Paulo about forest restoration and the supply of water, highlighting the challenges and opportunities to implement and provide scale to the natural infrastructure in policies covering basic sanitation and the management of water resources in Brazilian cities. In Rio de Janeiro, the launch event was staged in partnership with the State Environmental Department (SEA), 30 WRIbrasil.org.br WRI BRASIL 2018 ANNUAL REPORT 31
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