The Mighty Amazon: Records and Fragility

It is the "father of all rivers". With 6,800 km (4,250 mi) in length, it overpasses the Nile (6,695 km or 4,184 mi). But the Amazon's debit is 60 times bigger than that of the former: 200,000 cubic meters/second (the largest in the world, delivering 20 % of the freshwater volume penetrat... [ read more >> ]