Young boy drinking from a tube well
The British Geological Survey completed in October 1998, considered by some the most comprehensive study to date, estimates that 20 to 25 million people are at risk from drinking arsenic-contaminated water in Bangladesh.
However, other estimates are as high as 70 million. The uncertainty stems from the fact that only a fraction of wells have been tested, approximately 110,000. Further complicating matters is the random distribution of contaminated wells. It...
Interested in reading more?
Become a Member of
Receive full access to digital editions of The Scientist, as well as TS Digest, feature stories, more than 35 years of archives, and much more!
Already a member?