RIO DE JANEIRO, BRAZIL - A huge lake in Bolivia has almost entirely disappeared. Lake Poopó used to be the country’s second largest, after Lake Titicaca, and just a few decades ago in its wet season peak it would stretch almost 70km end to end and cover an area of 3,000 sq km – the size of a small country like Luxembourg. Today, the lake is largely a flat expanse of salty mud.
What happened? We’ve looked into this in various scientific studies over the past few years, and the answer is a mix of both climate factors and . . .