India, July 1 -- As many as 73% of all non-marine UNESCO World Heritage Sites, including in India, are exposed to at least one severe water risk (water stress, drought, river or coastal flooding), with 21% of them facing dual problems of having too much water one year, and too little during another, a new analysis shows.

The analysis based on World Resources Institute's Aqueduct data (also a water risk atlas) said sites experiencing severe risks in India included the Taj Mahal, Kaziranga National Park, Western Ghats, Group of Monuments at Mahabalipuram, and the Great Living Chola Temples.

Around 40% of the UNESCO sites faced issues related to water stress and drought, and 33% and 4% riverine flood and coastal flood risks. "Water is impa...