BRAZIL - Amazon Geoglyphs: Ancient Earthworks in Acre Raise Land-Use and ESG Stakes for Global Investors

As Wall Street and the City of London increasingly tie capital flows to ESG compliance and Anglo-American policymakers tighten scrutiny over environmental governance, discoveries in Brazil are reshaping the debate surrounding Amazonian land use. Geometric circles, squares, and octagons carved into the soil in Brazil reveal that the rainforest supported sophisticated pre-Columbian societies long before European arrival. Documented in studies featured by the journal PNAS and the São Paulo Research Foundation (Agência FAPESP), more than 500 ancient geoglyphs have been identified across the northwestern Brazilian state of Acre and adjacent states, engineered with trenches up to four meters deep whose original purpose continues to puzzle the global scientific community.