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Region: global

Freshwater resources: volume by continent
Glaciers and ice caps cover about 10% of the world’s landmass. These are concentrated in Greenland and Antarctica and contain 70% of the world’s freshwater. Unfortunately, most of these resources are located far from hum...
01 Oct 2009 - by Philippe Rekacewicz (Le Monde diplomatique)
When the city harms its own water resources
In areas where surface water is not readily available (located far from areas of need), groundwater is the primary water source. Groundwater aquifers supply an estimated 20% of the global population living in arid and se...
01 Oct 2009 - by Philippe Rekacewicz
The WWF living planet index for freshwater
'The over-exploitation and mismanagement of fisheries, particularly when combined with other man-made stresses, can lead to the collapse of regional fish faunas. In many countries, aquaculture is rapidly increasing in re...
26 Jan 2009 - by GRID-Arendal
Damming the world
The construction of large dams - defined as those with walls at least 15 metres high - has increased significantly over the past 50 years. The average height of new dams, estimated at 30-34 m from 1940-1990, increased to...
26 Jan 2009 - by Phillippe Rekacewicz, February 2006
Estimated Residence time of water resources
Estimated Residence time of water resources
26 Jan 2009 - by Phillipe Rekacewicz, February 2008
Who will not reach the water and sanitation millennium development goal?
Graphic captioning the time at which Waste water will become suitable levels of consumption.
26 Jan 2009 - by Phillippe Rekacewicz, February 2006
Transboundary water governance - averting conflict
Most governments recognize that violence over water is seldom strategically workable or economically viable and the most hostile enemies have a capacity for cooperation where water is concerned. The institutions that the...
26 Jan 2009 - by GRID-Arendal
Industrial areas and seasonal zones of oxygen depleted waters
This graphic illustrates the strong link between areas with high densities of industrial activity and zones of seasonally oxygen-depleted waters. There is a strong link between areas with high densities of industrial ac...
26 Jan 2009 - by Phillipe Rekacewicz, (Le Monde diplomatique) February 2008
Total population: access to an improved water source
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 Phillippe Rekacewicz, February 2006
Marine species diversity
Limited information is available on species diversity and the condition of coastal and marine ecosystems (Burke et al., 2001). There is growing evidence that many marine species are less widely distributed, and therefore...
26 Jan 2009 - by World Resource Institute (WRI), Washington Dc, 1998, based on data from UNEP-WCMC.
Impact of sea level rise on the Nile delta
Impact of sea level rise on the Nile delta. Sea level elevation model used to produce impact of nile delta sea level rise.
26 Jan 2009 - by Phillipe Rekacewicz, Otto Simonett - February 2008
Lake Chad: almost gone
Straddling the borders of Chad, Niger and Cameroon in West Africa, Lake Chad has been a source of freshwater for irrigation projects in each of these countries. Maps drawn from a series of satellite images show a dramati...
06 Nov 2009 - by Philippe Rekacewicz (Le Monde diplomatique), February 2006
Global waterstress and scarcity
Water scarcity occurs when the amount of water withdrawn from lakes, rivers or groundwater is so great that water supplies are no longer adequate to satisfy all human or ecosystem requirements, resulting in increased com...
26 Jan 2009 - by Philippe Rekacewicz (Le Monde diplomatique), February 2006
Runoff-Typewriter
Graphics captions water run off annually water per continent. Run off is scaled km cubed per year.
26 Jan 2009 - by Phillipe Rekacewicz, February 2008
Production mondiale annuelle de biocarburants
La production de biodiesel et d’éthanol a augmenté sensiblement au cours des dernières années
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Exportations agricoles totales
Les échanges céréaliers mondiaux dans le domaine agricole se sont accrus à un rythme constant au cours des dernières décennies. L’OCDE a toujours été une grande exportatrice nette de céréales, alors que l'Asie en est dev...
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Estimation brute des niveaux de pertes, de conversion et de gaspillage d’aliments à différents stades de la chaîne d’approvisionnement alimentaire sur le plan mondial
Vers la fin des années 1990, les agriculteurs produisaient en moyenne l'équivalent de 4 600 kilocalories par personne par jour (Smil, 2000), c'est-à-dire avant la conversion d’aliments en fourrages. Après déduction des p...
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Pertes alimentaires par type de produit
Aliments consommés/perdus
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Tendances mondiales (1960–2005)
Production de céréales et de viandes, et de l'utilisation d'engrais, de systèmes d’irrigation et de pesticides
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Augmentation de la production des principales cultures agricoles selon le rendement et la superficie cultivée (1965–2008)
L’accroissement des rendements a été dans l’ensemble supérieur à celui des superficies.
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal