Deforestation exacerbated deadly Brazil floods: experts

Timoteo Karai, cacique of Mbya Guarani looks on in the Pindo Poty community, isolated due to flooding in the extreme south of Porto Alegre, Rio Grande do Sul, Brazil , May 18, 2024.

"There's a global component to climate change, and also a regional one, which is the loss of native vegetation. That increased the intensity of the floods," says biologist Eduardo Velez of MapBiomas, an organisation that uses satellite images to track deforestation. A woman from the Mbya Guarani ethnic group cooks beans over a fire in the Pindo Poty community, isolated due to floods in the extreme south of Porto Alegre, Rio Grande do Sul, Brazil, May 18, 2024. Native forests help ensure water permeates the soil, preventing it from accumulating on the surface, says Jaqueline Sordi, a biologist and journalist based in the region who specialises in climate issues.

Rio Grande do Sul"urgently" needs to restore more than a million hectares of forests in order for them to adequately perform their proper environmental role, according to a 2023 study by the sustainable development group Instituto Escolhas. "It became easier to get permits , and Rio Grande do Sul played a big role" in benefitting from those permits, said Sordi.

Floods

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