The country with the most freshwater resources on the planet steadily lost 15% of its surface water since 1991.
A general view of the Jaguari dam, which is part of the Cantareira System, responsible for providing water to the Sao Paulo metropolitan area, in Braganca Paulista, Brazil, Wednesday, Aug. 25, 2021. Water levels plunged during the drought season, bringing concerns about the water supply to the largest Brazilian metropolitan area. RIO DE JANEIRO — The Brazilian scientists were skeptical. They ran different models to check calculations, but all returned the same startling result.
The study accompanying MapBiomas's data hasn't been published yet. Two outside experts consulted by The Associated Press who reviewed the survey's methodology said the approach appears robust, and its scale offers important insight into Brazilian water resources. They noted, however, use of artificial intelligence to analyze satellite images without on-the-ground verification could increase the margin of error.
In Brazil's Amazon rainforest, water that evaporates then travels on air currents to provide rainfall far afield. But some climate experts argue that the Amazon is headed for a “tipping point” in 10 to 15 years: if too much forest is destroyed, the Amazon would begin an irreversible process of degradation into tropical savannah.
"At the current rate, blackouts are likely to happen this year, especially during peak hours," said Nivalde de Castro, coordinator of the electricity sector studies group at the Federal University of Rio de Janeiro.
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