RIO DE JANEIRO, BRAZIL - The long drought has now left the main power generation reservoirs in Rio de Janeiro and São Paulo states with a useful volume below 40%. The shortage of rain is also affecting water supply in a number of cities.
According to data from the Reservoir Monitoring System of the National Water Agency (ANA), the Paraibuna reservoir is at 27.20% of its useful volume, Jaguari at 29 . . .