Graphics Library >> Water demand

Tag: Water demand

Access to safe water in rural and urban areas in Zimbabwe
Zimbabwe’s total annual renewable freshwater resources amount to 20 cubic km per year, and although the country experiences quality and dry season problems at present, continued pressure on the resource will lead to wat...
14 Oct 2013 - by GRID-Arendal
Freshwater availability per capita in Zambezi River Basin countries
The water flow in the Zambezi river is estimated at 3 600 cu m per second. This represents about 87 mm/year of equivalent rainfall and less than 10 per cent of the average rainfall in the basin (Shela 2000). The average...
14 Oct 2013 - by GRID-Arendal
Projected changes in cereal productivity in Africa, due to climate change – current climate to 2080
Water is essential not only to survival but is also equally or even more important than nutrients in food production. Agriculture accounts for nearly 70% of the water consumption, with some estimates as high as 85% (H...
02 Feb 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Tropical agriculture
There is great potential to restore carbon in tropical agricultural soils through management practices that, in the right circumstances, can also increase productivity. Agroforestry can offer particularly large carbon ...
27 May 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Water Scarcity Index
Water overuse is damaging the environment in many major basins. High overuse tends to occur in regions heavily dependent on irrigated agriculture, such as the Indo-Gangetic Plain in south Asia, the North China Plain and ...
13 Sep 2009 - by Philippe Rekacewicz, February 2006
Water supply and demand in Nairobi
The bulk of water supply for Nairobi comes from Thika, Sasumua and Ruiru Dams, as well as the Kikuyu Springs. Over time water supply for the city has failed to meet demand. The current estimated water demand for Nairobi ...
18 Mar 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal