Latin America, mega cities may cause water shortages and could trigger social unrest

The rapid growth of urban population – described as one of the world’s major demographic trends – has triggered an explosion of “mega cities” in Asia, Latin America and Africa, causing a breakdown in basic services, including water supplies and sanitation facilities. And by 2050, about 70 percent of the world’s population will live in urban areas causing horrendous problems, predicts a new 80-page study released here by the World Wildlife Fund (WWF). Read Article