Children are reflected in murky waters after swimming at Laguna de Bay in Taguig City, Metro Manila, Mar 22, 2011. -- PHOTO: REUTERS
Waste collector Dinesh Mukherjee, 11, watches his friend jump over a puddle of toxic liquid at the Ghazipur landfill in New Delhi, Nov 10, 2011. -- PHOTO: REUTERS
Boys play rugby at a polluted beach in central Honiara, Sept 14, 2012. -- PHOTO: REUTERS
People paddle in the waters of Manila Bay amid garbage during Easter Sunday in Manila, Apr 4, 2011. -- PHOTO: REUTERS
A boy plays in a refuse-clogged canal in Port-au-Prince, Jan 9, 2011. -- PHOTO: REUTERS
A child swims in a polluted reservoir in Pingba, southwest China's Guizhou province, Sept 2, 2006. -- PHOTO: REUTERS
A child eats breakfast in a garbage dump, where hundreds of people live and make a living by recycling waste and making charcoal, in Tondo, Dec 9, 2007. -- PHOTO: REUTERS
An Angolan boy walks in polluted canal water in Benguela, Jan 17, 2010. -- PHOTO: REUTERS
Boys collect coconuts thrown in as offerings by worshippers in the waters of the Sabarmati river after the immersion of idols of the Hindu elephant god Ganesh, the deity of prosperity, in the western Indian city of Ahmedabad, Sept 12, 2011. -- PHOTO: REUTERS
A boy jumps off a pier to take a dip in Manila Bay, situated next to a community located inside a garbage dump, in Tondo, Metro Manila, Apr 27, 2008. -- PHOTO: REUTERS
Children play in a slum area of Karachi, Nov 17, 2008. -- PHOTO: REUTERS
A child swims in the polluted waters of Cilincing beach in Jakarta, May 13, 2009. -- PHOTO: REUTERS
A Roma boy wears a helmet on St. George's Day or Djurdjevdan in the Roma settlement in Sarajevo's suburb of Butmir, May 6, 2009. -- PHOTO: REUTERS
A girl plays with her brother as they search for usable items at junkyard near the Danyingone station in Yangon's suburbs, May 16, 2012. -- PHOTO: REUTERS
A boy plays with a tyre near garbage being set on fire by residents of a slum in Karachi Dec 5, 2009. -- PHOTO: REUTERS
Children play on a pile of used tyres in Dhaka, Feb 2007. -- PHOTO: REUTERS
A Palestinian boy sits on a tree as a girl plays on a makeshift swing in Khan Younis in the southern Gaza Strip, Sept 23, 2012. -- PHOTO: REUTERS
Children pose for a photograph as they collect recyclable materials along a railway track near a slum in Karachi, Jan 30, 2011. -- PHOTO: REUTERS
Children jump into the water near their wooden houses in a slum area in Jakarta, Jun 25, 2009. -- PHOTO: REUTERS
Children sitting on a makeshift raft play in a river full of rubbish in a slum area of Jakarta, Sept 19, 2012. -- PHOTO: REUTERS
A boy plays in a polluted river after school at Pluit dam in Jakarta, Jun 5, 2009. -- PHOTO: REUTERS
A boy swims in the algae-filled coastline of Qingdao, Shandong province, July 15, 2011. Picture taken Jul 15, 2011. -- PHOTO: REUTERS
Sana, a five-year-old girl, plays on a cloth sling hanging from a signalling pole as smoke from a garbage dump rises next to a railway track in Mumbai, May 2, 2012. -- PHOTO: REUTERS
Children play on foam from a polluted river at the Marunda flood canal in Jakarta, Dec 14, 2011. -- PHOTO: REUTERS
Waste collector Dinesh Mukherjee, 11, watches his friend jump over a puddle of toxic liquid at the Ghazipur landfill in New Delhi, Nov 10, 2011. -- PHOTO: REUTERS
A child eats breakfast in a garbage dump, where hundreds of people live and make a living by recycling waste and making charcoal, in Tondo, Dec 9, 2007. -- PHOTO: REUTERS
Boys collect coconuts thrown in as offerings by worshippers in the waters of the Sabarmati river after the immersion of idols of the Hindu elephant god Ganesh, the deity of prosperity, in the western Indian city of Ahmedabad, Sept 12, 2011. -- PHOTO: REUTERS
A boy jumps off a pier to take a dip in Manila Bay, situated next to a community located inside a garbage dump, in Tondo, Metro Manila, Apr 27, 2008. -- PHOTO: REUTERS
A girl plays with her brother as they search for usable items at junkyard near the Danyingone station in Yangon's suburbs, May 16, 2012. -- PHOTO: REUTERS
Sana, a five-year-old girl, plays on a cloth sling hanging from a signalling pole as smoke from a garbage dump rises next to a railway track in Mumbai, May 2, 2012. -- PHOTO: REUTERS