Last month, a portion of the Negro River in the Amazon rainforest near Manaus, Brazil, shrank to a depth of just 12.7 metres — its lowest level in 120 years, when measurements began. In Lake Tefé, about 500 kilometres west, more than 150 river dolphins were found dead, not because of low water levels, but...
One of the world’s largest rivers and a major tributary of the Amazon, the yawning Rio Negro is a pillar of the rainforest ecosystem that is crucial to the stability of the global climate. But vast sections of the waterway are currently dry.For weeks, an unprecedented drought has pummelled the region, reducing water levels in...