MANCHAR LAKE: For generations the Mohanna tribe have lived, loved, worked, and played on Pakistan's Manchar Lake; their floating settlement serving their needs from birth to death.
But an unrelenting flow of toxic wastewater is pouring into the lake -- a byproduct of industrialisation and aggressive agricultural practices upstream -- and has slowly rendered it inhospitable, poisoning the water and almost everything in it.
For fishermen such as Mohammed Yusuf, life on the lake is becoming intolerable.
"When we were…