The Meghalaya Government has recently claimed that a detoxing pilot project has brought the Lukha River back from the dead. The Lukha — “reservoir of fish” in the local Pnar language — was considered toxic beyond redemption due to contamination on acid mine drainage and run-off from the coal mines.
“This river is located in the southern part of east Jaintia Hills of Meghalaya where most of Meghalaya’s rat-hole coal mines are located. It is fed by numerous streams from the hills of the Narpuh Reserve Forest. It has been recently detoxified through a process called phycoremediation.”
Which of the following river is described above?
Mining activities contribute to the economic growth of a nation, but they also have great negative externalities. Elaborate. (150 words)