World Water Day 2011

1. A boy in a shanty area bathes under a public tap in the eastern Indian city of Bhubaneshwar, Tuesday, March 22, 2011. World Water Day is being marked across the world Tuesday. AP / Biswaranjan Rout

2. Two boys joke next to a glass with water during a visit to the newly inaugurated Water Planet room, at the Yaku (water in Quechua) Water Park, in Quito, Ecuador on March 22, 2011, during the World Water Day. AFP/ Getty Images / Rodrigo Buendia

3. A boy plays with water at the Yaku (water in Quechua) Water Park, in Quito on March 22, 2011, during the World Water Day. AFP/ Getty Images / Rodrigo Buendia

4. A homeless man washes his hands in a fountain in Medellin, Antioquia Department, Colombia on March 22, 2011, on World Water Day. The UN's food agency marked World Water Day, today by calling for new and innovative approaches to ensuring city dwellers in developing countries have access to safe and adequate water supplies. AFP/ Getty Images / Raul Arboleda

5. Indonesian children play near a heavily polluted river in Jakarta, Indonesia, Tuesday, March 22, 2011. AP / Tatan Syuflana

6. Indian women fill potable water from a pipeline in Hyderabad, India, Monday, March 21, 2011. AP / Mahesh Kumar A

7. Indians wash clothes in polluted water on the outskirts of Jammu, India, Monday, March 21, 2011. AP / Channi Anand

8. An Indian boy washes his face at a road side water tap in Allahabad, India, Tuesday, March 22, 2011. AP / Rajesh Kumar Singh

9. A man washes himself in the water that drains from an overflowing tank on the outskirts of Jammu, India, Tuesday, March 22, 2011. AP / Channi Anand

10. A boy carries drinking water from a public supply source in Mumbai, India, Tuesday, March 22, 2011. There is no direct supply of potable water at homes in most of the poor neighborhoods and people have to depend on regulated supply of water from public taps erected on roadsides, with a single tap catering to hundreds of households. AP / Rajanish Kakade

11. Indian women fill containers with potable water from a government water supply tanker at their residential colony in Hyderabad on March 22, 2011, on World Water Day. AFP/ Getty Images / Noah Seelam

11. Pakistani women villagers leave their homes in search of water in the suburbs of Hyderabad, Pakistan Tuesday, March 22, 2011. Pakistan also marked the World Water Day with other nations, where serious water crisis exists. AP / Pervez Masih

13. Pakistani women carry pots whilst walking back to their homes after collecting fresh water from a nearby water point on World Water Day on the outskirts of Islamabad, Pakistan, Tuesday, March 22, 2011. AP / Anjum Naveed

14. A Pakistani fills his bucket with clean water in the slums of Karachi, Pakistan on Tuesday, March 22, 2011. Clean Water for a Healthy World is the theme for World Water Day 2011. AP / Shakil Adil

15. Pakistani girl Anum leaves home to fetch water for her family in the slums of Karachi, Pakistan on Tuesday, March 22, 2011. Clean Water for a Healthy World is the theme for World Water Day 2011. AP / Shakil Adil

16. Pakistani boys transport plastic containers to collect fresh water from a nearby water point on World Water Day on the outskirts of Islamabad, Pakistan, Tuesday, March 22, 2011. Clean Water for a Healthy World is the theme for World Water Day 2011. AP / Anjum Naveed

17. A Pakistani child drinks water from a hand-pump in an impoverished neighbourhood of Karachi on March 22, 2011, on World Water Day. AFP/ Getty Images / Rizwan Tabassum

18. A young girl joins her elders as they display empty plastic bottles with water drop-shaped placards during a rally commemorating World Water Day Tuesday, March 22, 2011, in Manila, Philippines. AP / Pat Roque

19. U.S. Secretary of State Hillary Clinton speaks during an event at the World Bank to celebrate World Water day, on March 22, 2011 in Washington, DC. Getty Images / Mark Wilson

20. A picture taken on March 22, 2011 shows the river Seine colored in green after environment employees tiped a fluorescent product, as part of the World Water Day celebrations. AFP/ Getty Images / Joel Saget