Pernambuco state, Brazil
A boy removes oil spilled on Itapuama beach, in the city of Cabo de Santo Agostinho. Large patches of oil started appearing in early September in north-eastern Brazil and have now turned up along a 1,100-mile (2,000 km) stretch of the Atlantic coastline. The source remains a mystery, despite President Jair Bolsonaro’s assertions they came from outside the country and were possibly the work of criminals
Photograph: Leo Malafaia/AFP via Getty Images
