Bad Water (image) The Earth Institute at Columbia University Share Print E-Mail Caption A well in the village of Van Phuc, outside Hanoi; the water is polluted with arsenic. Throughout south and southeast Asia, at least 100 million people are threatened by such wells. Credit Benjamin Bostick/LDEO Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.