‘The biggest
waste
management
infrastructure
is the river
itself ... That’s
not an easy
thing to fix.’
Heather Koldewey,
National Geographic
expedition co-leaderTannery workers hang
hides to dry on wooden
poles on the banks
of a canal in Kolkata.
The canal carries
factory waste, plastic
trash, and other
pollutants toward
the Ganges Delta and
the Bay of Bengal.