https://www.circleofblue.org/wp-content/uploads/2018/06/Circle-of-Blue-Water-Speaks-600x139.png 0 0 Circle of Blue https://www.circleofblue.org/wp-content/uploads/2018/06/Circle-of-Blue-Water-Speaks-600x139.png Circle of Blue2015-03-26 14:30:382015-03-26 14:31:10A zoologist with the Meghalaya Pollution Control Board tests the acidity of the Lukha River. The otherwordly blue waters had a pH of 4.5, sufficient acidity to kill fish. (Dhruv Malhota/Contact Press Images for Circle of Blue)
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