Science, Tech & Environment

Restoring Urban India's Riverbanks

For our Geo Quiz today we're in search of a major river in Asia. It forms in the high glaciers of the Himalayas before flowing more than 800 miles across northern India.

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Along the way it becomes the largest tributary of the legendary Ganges River.

Some Hindus believe that bathing in this sacred river "frees one from the torments of death." Unfortunately sections of this river are also severely polluted.

Development along the part of this river that passes the city of Delhi, India, has largely destroyed the land's ability to hold water and prevent floods.

There's a glimmer of hope, though regarding the Yamuna River, which is the answer to today's quiz.

A new "biopark" along a stretch of the river is starting to restore some of the the natural services the landscape used to provide.