The second-largest tributary of the Amazon in Brazil has recorded its lowest water level since official measurements began 122 years ago, driven by extreme drought conditions in the region. In Manaus, the provincial capital of Amazonas, the Rio Negro river’s water level has dropped to 12.66 metres, marking the lowest point since records started in 1902, the Brazilian Geological Survey (SGB) reported. SGB forecasts indicate that water levels may continue to decline in the coming days. The local population, particularly those living along the riverbanks, are particularly affected as they typical…