TOPSHOTS Indian children carry recyclable items from the polluted water of the Mahananda river in Siliguri on March 21, 2013. World Water Day calls for international attention on the impact of rapid urban growth, industrialisation and uncertainties caused by climate change, conflicts, and natural disasters on urban water systems. India as a whole suffers from poor water management, with the country's most famous river, the holy Ganges, found to have 16 times the acceptable amount of coliform. AFP PHOTO/ Diptendu DUTTA