Juergen Freund / Large scale agricultural irrigation of a vegetable farm, Atherton Tablelands, Queensland, Australia.

Cyril Ruoso / Terraced rice fields, Bali, Indonesia.

Claudio Contreras / Canal between chinampas, a wetland agricultural system, at dawn, Xochimilco wetlands, Mexico City, November

Ernie Janes / Irrigation on potato field, Norfolk, UK, July

Laurent Geslin / Young Fulani women drawing water from a well shaft built by the United Nations High Commision for Refugees, North Senegal, West Africa, 2005

Daniel Heuclin / Coachella canal, water from Colorado river, California, USA

Ernie Janes / Potato (Solanum tuberosum) crop irrigation, Norfolk, UK, July 2011

Jenny E. Ross / A Date palm (Phoenix dactylifera) plantation in the Coachella Valley near the Salton Sea. More than 90 percent of the dates produced in the United States are grown in this region, using Colorado River...

Jenny E. Ross / Sprinkler irrigation of a crop in California's Imperial Valley, using Colorado River water. California, USA December 2008

Laurie Campbell / Water spray irrigating arable field, Berwickshire, Scotland, UK, May

Flip Nicklin / Amazon River Dolphin (Inia geoffrensis) rescued from drying irrigation ditch off the Orinoco River, Lago De Prata, Brazil

Anup Shah / Aerial view of irrigation circle for growing vegetable crops and cultivated flowers, Naivasha, Kenya