In 1993, Bangladesh found its main source of fresh water tainted with naturally occurring arsenic posing a public health risk to millions. Since then, the country has partnered with the World Bank and the International Atomic Energy Agency (IAEA) to introduce isotope hydrology techniques to locate safe sources of water.
UNIA program # 1324
Transcript (pdf): http://www.un.org/webcast/pdfs/unia1324.pdf
