As the planet heats up, water shortages are becoming an important environmental issue. To help explain the water footprint as a new means of measuring consumption, we turn to Matthew McDermott, Senior Writer for Treehugger.
The World Bank has warned that a scarcity of clean water poses a serious threat to Pakistan's stability. In the second of her two part series, The World's Laura Lynch reports from the Indus River Delta in southern Pakistan.
Political instability and violence make Pakistan a U.S. foreign policy priority. But there's another looming crisis there too. Pakistan is fast running out of water and much of what IS available is making people sick. On PRI's The World.