| Title | : | In a Sri Lankan village, an invisible killer |
| Duration | : | 07:12 |
| Viewed | : | 324,236 |
| Published | : | 22-12-2009 |
| Source | : | Youtube |
United Nations, New York, 22 December 2009 - In Sri Lanka, chemicals are contaminating ground water and threatening people's health. One researcher is using nature to clean up a man-made problem.
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