RT 6 - Earthly poison
1972. Bangladesh is a new state emerging out of a national liberation war and a cyclone. Inspired by the Green Revolution, UNICEF undertook a major public health engineering project, drilling millions of hand pumps aimed at providing safe drinking water, and over subsequent years sinking private tube wells became normative practice. Although considered a major humanitarian success, it exposed a significant part of the population to ground water aquifers rich in arsenic.