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Recent

Projection des impacts du changement climatique
Projection des impacts du changement climatique.
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Profondeur moyenne des lieux de capture
La diminution des débarquements de poissons marins est contrebalancée en partie par l'aquiculture
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Indice FAO des prix des produits de base
Indice FAO des prix des produits alimentaires pour la période 2000-2008
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Biodiversité, par rapport à l’abondance des espèces avant les impacts anthropiques
Déperdition de la biodiversité du fait de l’expansion agricole continue, de la pollution, du changement climatique et du développement des infrastructures.
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Variation du potentiel de production céréalière à l'horizon 2080
Incidence des changements climatiques sur la production céréalière en Afrique
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Accroissement de la population humaine dans les pays développés et les pays en développement
Population mondiale : estimations et projections (en milliards d’habitants)
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
Besoin de ressources en eau pour la production alimentaire
Variations historiques et projetées de la consommation d’eau pour la production alimentaire, 1960-2050
08 Jun 2009 - by Hugo Ahlenius, UNEP/GRID-Arendal
World Ecological Footprint and Biocapacity
No data
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
EPT Rollup
No data
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Natural Areal Loss
No data
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Green Jobs in the Future
No data
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Ecological Footprint and Biodiversity
No data
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Tanzania Ecological Footprint and Biocapacity
No data
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
A Planet in Ecological Debt
No data
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
World Poverty
No data
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Botswana Ecological Footprint and Biocapacity
No data
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Ecosystem Value 3D
No data
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Economic Worldwide Benefits Coming From Biodiversity
No data
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Thermohaline Circulation
Thermohaline circulation is a 3-dimensional flow involving surface and deep ocean waters, which is driven by differences in water temperature and salinity. (Image source: NOAA/NCDC).
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Southern Ocean Carbon Sink Change
The Southern Oceans are recognised as an important carbon sink currently taking up approximately 15% of anthropogenic CO2. Models predict that as the atmospheric concentration of CO2 increases, so should the ocean’s abso...
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Number of Disasters per Year
Trends in number of reported disasters. Much of the increase in the number of hazardous events reported is probably due to significant improvements in information access and also to population growth, but the number of f...
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Blue Carbon Sink Burial Rates a)
The capacity of ocean's blue carbon sinks (tons of carbon per hectare per year).
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Oceans Carbon Fluxes
An important role played by the ocean is the storage and exchange of CO2 with the atmosphere, and its diffusion toward deeper layers. At high latitudes, dense waters sink, transferring carbon to the deep ocean. Warming o...
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Blue Carbon Sinks
The carbon captured by living organisms in oceans is stored in the form of sediments from mangroves, salt marshes and seagrasses. Benefiting from the excellent conditions available to support plant growth, vegetated coas...
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
World Greenhouse Gas Emissions by Sector
All transport accounts for approximately 13.5% of the total emissions, while deforestation accounts for approximately 18%. However, estimates of the loss of marine carbon-binding ecosystems have previously not been inclu...
06 Oct 2009 - by WRI/Tim Herzog
Green Carbon
45% of green carbon stored in natural terrestrial ecosystems and the remaining 55% is captured by living organisms in oceans and ocean's blue carbon sinks.
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Fish Catch
The worlds most productive fishing grounds are confined to major hotspots in around 7.5% of the ocean surface, where over half of the fish are caught.
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Current Valuation Estimates of Blue Carbon Sink
Although coastal ecosystems are already among the most valuable on the planet, the current estimates of the economic value for some of the oceans blue carbon sinks are surprisingly low. How should human perception of the...
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Actual and Projected Energy Demand
Projected growth in energy demand in coming decades.
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Black Carbon Emissions
Combustion sources of black carbon. Black carbon is thought to be the second largest contributor to global warming, next to brown carbon (the gases). Thus, reducing black carbon emission represents one of the most effici...
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Blue Carbon Sink Burial Rates b)
The capacity of ocean's blue carbon sinks (total annual blue carbon sink burial rates).
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Vulnerability of National Economies to Potential Climate-Induced Changes in Fisheries
Comparative vulnerability of national economies to climate impacts on fisheries. Vulnerability of national economies of potential climate change impacts on fisheries (which integrates exposure, sensitivity and adaptive c...
06 Oct 2009 - by Giulio Frigieri
Atmospheric Circulation Patterns
Carbon cycling in the world’s oceans. The flow of carbon dioxide across the air-sea interface is a function of CO2 solubility in sea water (Solubility Pump). The amount of CO2 dissolved in sea water is mainly influenced ...
06 Oct 2009 - by Giulio Frigieri
Sea Ice Anomaly in Northern Hemisphere
Arctic sea-ice reductions have significant impacts on climate, wildlife and communities. The opening of open water across the Arctic ocean will have unknown consequences in terms of changes in water circulation and redis...
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Coral Reefs
Distribution of the world's coral reefs. Oceans blue carbon sinks, along with coral reefs and kelp communities, all fulfil very important functions in the coastal zone while providing opportunities for jobs and coastal p...
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Species Turnover
Change in the initial species richness in 2005 relative to 2001-2005 average (high-range climate change scenario). Studies predict species invasion will be profound in the Arctic and Southern Oceans. Among others these c...
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Carbon Cycle
Blue and green carbon process.Oceans are crucial in the global carbon cycle. It was here where life first evolved; they are the source of our wealth and development. The living oceans capture over half of all the Green c...
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Projected Population flooded in Coastal Areas by 2080
See text
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Sea Level Anomalies
Melting and warming will have consequences on ocean circulation. Additionally melting of inland glaciers and continental ice sheets on Greenland and Antarctica, and the thermal expansion of ocean waters are causing sea l...
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Desertification
Environment and Security in the Mediterranean: Desertification
17 Nov 2009 - by Emmanuelle Bournay and Matthias Beilstein, Zoï Environment Network
Agriculture and Fisheries
Environment and Security in the Mediterranean: Agriculture and Fisheries
17 Nov 2009 - by Emmanuelle Bournay and Matthias Beilstein, Zoï Environment Network
Water
Environment and Security in the Mediterranean: Water
17 Nov 2009 - by Emmanuelle Bournay and Matthias Beilstein, Zoï Environment Network
Population
Environment and Security in the Mediterranean: Population
17 Nov 2009 - by Emmanuelle Bournay and Matthias Beilstein, Zoï Environment Network
Migration
Environment and Security in the Mediterranean: Migration
17 Nov 2009 - by Emmanuelle Bournay and Matthias Beilstein, Zoï Environment Network
Non-renewable Natural Resources
Environment and Security in the Mediterranean: Non-renewable Natural Resources
17 Nov 2009 - by Emmanuelle Bournay and Matthias Beilstein, Zoï Environment Network
Differentiated Responnsibilities
Reported CFC production of Non-Article 5 countries (24 out of 49 states reporting)
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Vulnerabilities
Health impacts due to ultraviolet radiation
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
The Ozone Protection Landscape
National Ozone Units in developing countries
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Arctic Ozone Depletion and Stratospheric Temperature
Changes in ozone amounts are closely linked to temperature, with colder temperatures resulting in more polar stratospheric clouds and lower ozone levels. Atmospheric motions drive the year-to-year temperature changes.The...
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Ozone Hole Size
The extent of ozone depletion for any given period depends on complex interaction between chemical and climatic factors such as temperature and wind. The unusually high levels of depletion in 1988, 1993 and 2002 were due...
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
HCFC: A Transitional Substitute for CFC
Depicting gradually replaced by HFCs and, to a lesser degree by natural refrigerants in developped countries (where the HCFC phase-out deadline for production was reached in 2004).
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Deadlines for Production and Consumption of Ozone Depleting Substances
Defined in the Montreal Protocol phase-outs
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
The Ozone International Awakening
No data
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Air Conditioning in Southern China
No data
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
The Antarctic Hole
From September 21-30, 2006, the average area of the ozone hole was the largest ever observed.
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
ODS Banks Reduction Potential by 2015
No data
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Chemical Ozone Destruction Process in the Stratosphere
No data
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Destroying ODS Banks: A Cheap Way to Mitigate Climate Change
No data
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Recipients and contributors countries of the Multilateral Fund
Countries receive funds according to their compliance needs. That is, they receive funds to phase-out specific amounts of ODS production and consumption. Hence,ODS producer countries and high consumers receive more funds...
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
HFC AND N2O: Two Climate Enemies Related to the Ozone Layer
Selected greenhouse gases emissions and projections
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Skin Colour Map (Indigenous People)
Predicted from multiple environmental factors.
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
CFC End Uses in the US in 1987
In percentage of all CFC uses in the US
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
HFC emissions for selected countries
Note: 26 reporting countries only. Emissions under 1 000 tonnes are not represented.
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Methyl Bromide Trends
No data
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
The 'Hole': A Result of Specil Weather Conditions over the Pole Repeated Every Spring
The Antarctic continent is circled by a strong wind in the stratosphere which flows around Antarctica and isolates air over Antarctica from air in the midlatitudes.
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Examples of ODS Smuggling Patterns in Asia and the Pacific
No data
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
The Effects of the Montreal Protocol Amendments and their Phase-Out Schedules
Predicted abundance throughout the years
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
UV Index Worldmap
The Global Solar UV Index (UVI) is a simple measurement of the UV radiation level at the Earth's surface. It has been designed to indicate the potential for adverse health effects and to encourage people to protect thems...
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Production of Main ODS Gases
Depicting thousand ozone depleting potential tonnes.
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
World ODS Banks by Sector
‘Banks’ are the total amount of substances contained in existing equipment, chemical stockpiles, foams and other products not yet released to the atmosphere or destroyed in destruction facilities.
01 Oct 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Nitrous Oxide: A Major Culprit after 2010... ... Mostly Released by the Agricultural Sector
No data
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Ozone Depletion and Climate Change
Ozone depletion and climate change are two distinct problems but as they both modify global Earth cycles, they cannot be totally separated. There are still many uncertainties concerning the relations between the two proc...
02 Nov 2009 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Global sea-level rise
According to the 2007 IPCC report, global average sea level rise will vary from 18 cm to 59 cm by 2100. The IPCC models did not account for the accelerated melting of ice sheets in Greenland and Antarctica. Some of th...
01 Oct 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
MSV Partners around the World
Partners include policy and research organisations, non-governmental organisations, indigenous people organisations and communities, multinational bodies and governmental supporters in over 20 Arctic and SIDS (Small Isla...
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Mean annual coastal erosion in arctic Alaska (Beaufort Sea shoreline)
In the Arctic, impacts of climate change will include increased coastal erosion. For Arctic human communities impacts are projected to be mixed, with detrimental impacts expected on infrastructure and traditional ind...
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Regional CO2 emissions
World carbon dioxide emissions by region, 1950-2006. Under the terms of the 1992 United Nations Framework Convention on Climate Change (UNFCCC), countries that have contributed the most greenhouse gas emissions have a ...
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Arctic ice cover extent
The greatest reduction in Arctic summer sea ice extent since satellite observations began occurred in 2007, with the following two years experiencing the second and third biggest reductions. The Greenland ice sheet i...
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Submissions and preliminary information
No data.
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Global distribution of outer continental shelf
No data.
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
If the area of the seabed under review was land…
No data.
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Status of submissions for outer continental shelf
No data.
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
No title
No data.
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Small area, big variety in types of Submission (Legend)
No data
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Small area, big variety in types of Submission
No data
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Seabed jurisdiction
No data.
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Deep underwater, deeper underground
No data
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Total area of outer continental shelf by state
No data.
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Marittime zones
No data.
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Status of the convention
No data.
03 Feb 2010 - by Riccardo Pravettoni, Jean-Nicolas Poussart, UNEP/GRID-Arendal
Relative contribution of outer continental shelf to total area under national jurisdiction
No data
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Ratio of outer continental shelf over emerged land area
No data
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Role of geology in Article 76
No data
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Area of outer continental shelf submitted per continent
No data.
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Glacier Lake Outburst Floods
Cumulative frequency graph of GLOFs in Nepal, Bhutan and Tibet. The best-ft line suggests an increase in GLOF frequency through time, although older events may be under-reported. GLOFs also took place in Patagonia,...
06 Dec 2010 - by Riccardo Pravettoni
Glacier volume change forecasts
Oerlemans et al. (1998) conducted modelling experiments for a sample of 12 glaciers and ice caps, to determine volume changes under a range of temperature and precipitation forcings (Fig. 3). The range of glacier respon...
06 Dec 2010 - by Riccardo Pravettoni
Southern Asia natural disasters between 1975 and 2004
Overview of natural disasters in Asia between 1975 and 2004. Floods account for a very signifcant proportion of the disasters observed.
06 Dec 2010 - by Riccardo Pravettoni
Glacier cumulative mass balance
Compilation of available data (Fig. 1) shows that most mountain glaciers are losing mass, and that the overall rate of mass loss has increased in the last decade. For the last decade the highest mass loss per unit area h...
06 Dec 2010 - by Riccardo Pravettoni