Starting from the conclusions of the first two reports presented, respectively, in Kyoto (Japan) in 2003 and Mexico City in 2006, the latest edition emphasizes the role played by water in development and economic growth.

UNESCO: MEDIA SERVICES

Drilling into rock this month will allow scientists to glimpse processes that held sway in ancient times, hopefully ones where water played key roles.

BBC: Mars rover finally looks set to drill

That will illustrate for scientists how the crystals in the rock developed, and may provide a clue as to whether water played a role in that development.

FORBES: Curiosity Drills A Hole On Mars

At Harvard, Oz played football and water polo.

NEWYORKER: The Operator

These have traditionally played the role of water-catchment areas, absorbing any overflow from the river.

CNN: FIGHTING FLOODS

He rode boards of every kind on land and water, played in rock bands and rode bikes around.

FORBES: Who Was 'That Guy' at the Jerry Buss Memorial? Family Friend Greg Tomlinson Tells His Story

"Mukhtar played an important role in providing vulnerable communities with access to clean drinking water and sanitation in areas where the risk of water-based diseases is high, " UNICEF Deputy Representative Hannan Sulieman said.

CNN: Gunmen kill UNICEF worker in Somalia

But in this one, Lyra Belacqua (played by Dakota Blue Richards) has her own posse, made up of water-dwelling Gyptians, fierce urchins, changeable spirit daemons, plus a bear, a witch and a wardrobe of skirts.

NPR: This Season, the Scrappy Heroes Are Wearing Skirts

Much play was made a few years ago of the role played by woods and wetlands in upstate New York in keeping New York City's water supply clean.

ECONOMIST: The World Parks Congress

The game could be played either online or offline with teams made up of individuals or departments who compete to save the most water.

FORBES: Gaming for Corporate Social Good