Brazil's metropolitan Sao Paulo faces drinking water crisis: authorities

SAO PAULO, Dec. 29 (Xinhua) -- The metropolitan region of Sao Paulo, the most populated urban area in Brazil, is facing an emergency in its drinking water supply, authorities said Monday.

According to authorities, the current water crisis is the result of an intense heat wave, a sharp rise in consumption, and a persistent drought that has left reservoirs at critically low levels in the South American area with a