Governments in talks to release water from the giant Itaipú Dam with a view to topping up the Paraná River, where ebbing levels are stymieing a US$20-billion-a-year crop export business.

  This year the water level in many rivers across Ukraine, as well as in the Dnipro, the longest river of Ukraine and the fourth-longest in Europe, hit a record low for the last 100 years, experts...

Low water levels after recent dry weather are preventing cargo vessels from sailing fully loaded on the Rhine river in Germany and adding surcharges to the usual freight rates, traders said on Monday.