28:01
Waters of discord
Almost half the world gets its drinking water from rivers that cross national boundaries. Analysts predict that more wars will be fought over water than oil. This program surveys a number of active or potential hot spots: Israel and the river Jordan...
27:31
Water for the cities
This program takes a hard look at the mounting challenge of providing millions of people in urban areas with potable water and adequate disposal of waste water. To highlight the difficulties, segments focus on the water problems of the megalopolis, ...