In the Western Ghats mountains range along the western side of India, a rare bat species and a unique cave ecosystem teeming with other wildlife are threatened by the planned construction of a hydroelectric dam. (Video: Assignment Earth)

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"Assignment Earth" features compelling video reports from the front lines of major environmental stories from around the globe. Topics include global warming, pollution, habitat destruction and endangered species.

More Assignment Earth India videos:

India's Polluted Yamuna River

Bicycling for clean air in Mumbai