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Vital Water Graphics 2
Vital Water Graphics 2
The United Nations Environment Programme (UNEP) has been at the forefront of assessing and monitoring global water resources and presenting information on their use and management for 30 years. UNEP has compiled this report in order to provide an easily accessible resource on the state of the world's waters. The goal of this publication is ...
Available online at: http://www.grida.no/publications/vg/water2/
Fish diversity in freshwater systems
Although freshwater ecosystems such as rivers, lakes and wetlands occupy less than 2% of the earth’s total land surface, they provide a wide range of habitats for a significant proportion of the world’s plant and animal ...
26 Jan 2009 - by Philippe Rekacewicz
Cereal productivity in sub-Saharan Africa under a projected Intergovernamental Panel on Climate Change (IPCC) scenario
A majority of the population in sub-Saharan African lives in rural areas, where income and employment depend almost entirely on rain-fed agriculture. This population is today at high risk. Sub-Saharan Africa already has ...
26 Jan 2009 - by Philippe Rekacewicz
The spread of cholera 1950-2004
Increasing floods in between dry periods represent ideal conditions for spreading diseases such as cholera. In Nouakchott, the capital of Mauritania located in the desert, precipitations - when they occur - are always ac...
26 Jan 2009 - by GRID-Arendal
More water evaporates from reservoirs than is consumed by humans
Throughout the 20th century, global water use has increased in the agricultural, domestic and industrial sectors. Evaporation from reservoirs has increased at a slower rate. Projections indicate that both global water us...
26 Jan 2009 - by Philippe Rekacewicz)
Freshwater alkalinity: 1976-2008
Alkalinity is commonly used to indicate a water body’s capacity to buffer against acidity; that is, the ability to resist, or dampen, changes in pH. Thus, alkaline compounds in water, such as bicarbonates, carbonates, an...
26 Jan 2009 - by Philippe Rekacewicz (Le Monde diplomatique), February 2006
Water withdrawal and consumption: the big gap
Freshwater use by continents is partly based on several socio-economic development factors, including population, physiographic, and climatic characteristics. Analysis indicates that: - Annual global freshwater withdraw...
26 Jan 2009 - by Phillipe Rekacewicz, February 2008
Water storage capacity for selected countries
Cross-country water storage comparisons provide insights into one aspect of risk mitigation capacity. However, storage capacity is only one guide to the linkage between infrastructure and vulnerability. Countries such as...
26 Jan 2009 - by Philippe Rekacewicz
Public services provide cheaper water
By bringing water to people water resellers extend the coverage of piped water and provide a service with important benefits for households - but at a price. That price rises with distance from the utility, as defined by...
26 Jan 2009 - by GRID-Arendal
World fish consumption per capita and per year
World fish consumption per year and per capita.
26 Jan 2009 - by Philippe Rekacewicz
Total population: access to sanitation
The 2004 global image sadly shows that the lack of access to clean water remains a burden for the poorest countries, preventing them accelerating their development. Essentially handicapping most sub-Saharan African count...
26 Jan 2009 - by Philippe Rekacewicz (Le Monde diplomatique)
Human actions leading to coastal degradation
Physical alteration and the destruction of habitats are now considered one of the most significant threats to coastal areas. Half of the world’s wetlands, and even more of its mangrove forests, have been lost over the pa...
26 Jan 2009 - by Philippe Rekacewicz (Le Monde diplomatique), February 2006
World's surface water: evaporation and runoff
Because much of the world’s surface water is far from concentrations of human settlements, not all of it is readily usable. Some facts concerning global freshwater concentrations: - It is estimated that the freshwater ...
26 Jan 2009 - by Phillippe Rekacewicz (Le Monde diplomatique), February 2006
The Mekong River - survival for millions
The Mekong River - survival for millions Following the course of the Mekong River helps to understand the human/river hydrological interdependence. From its source on the Tibetan Plateau it drops 5,000 metres and flows a...
26 Jan 2009 - by Philippe Rekacewicz
World population evolution
Trois hypothèses pour l’évolution de la population mondiale : Selon le bureau de la population des Nations unies, la plus vraisemblable est l’hypothèse moyenne : pour les périodes 1995-2000 et 2045-2050, elle prend...
26 Jan 2009 - by Philippe Rekacewicz
The decline of cod in the North Atlantic
Graph of the decline of fish stock globally and a map of fish stock in Maritime Canada and the United States.
26 Jan 2009 - by Philippe Rekacewicz
Dependency ratio in renewable water
The dependency ratio is a good indicator of where tension and conflict over water-sharing and use can occur. The map clearly depicts such areas including central Asia, the Middle East (especially Syria and Iraq), India a...
26 Jan 2009 - by Philippe Rekacewicz, February 2006
A World of Salt
Global water type by percentage. Estimates of global water resources based on several different calculation methods have produced varied estimates. Shiklomanov in Gleick (1993) estimated that: - The total volume of wat...
26 Jan 2009 - by Phillippe Rekacewicz, February 2006
Africa’s rivers and lake basins cross many borders
The below shows the locations of 13 major river basins in Africa.
26 Jan 2009 - by Philippe Rekacewicz (Le Monde diplomatique), 2007
The contribution of climate change to declining water availability
The real concern for the future, in the context of changing patterns of rainfall, is the decrease of run-off water which may put at risk large areas of arable land. The map shows how seriously this issue must be taken, w...
26 Jan 2009 - by Philippe Rekacewicz (Le Monde diplomatique)
Coastal populations and shoreline degradation
Unsurprisingly, the coastal areas with the greatest population densities are also those with the most shoreline degradation. The areas surrounding the Black Sea, the Mediterranean and southern Asia have the highest prop...
01 Oct 2009 - by Phillippe Rekacewicz, February 2006
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