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Tag: Environment

Harmful algal blooms in the West Central Atlantic, 1970-96
The graphic shows the trend of the number of harmful algal blooms in the Western Atlantic from 1970 to 1996. The excess growth of algae is often caused by pollution, and can have negative or fatal effects on some species...
28 Sep 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Number of trees planted, world map - UNEP Billion Tree Campaign, May 2008
The UNEP Billion Tree Campaign represents a unique worldwide tree planting initiative, aimed at empowering citizens to corporations and people up to presidents to embrace the climate change challenge. By 2008, 18 months ...
28 Sep 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
DPSIR framework for State of Environment Reporting
The DPSIR framework (Driving Forces-Pressures-State-Impacts-Responses) is used to assess and manage environmental problems. Driving forces are the socio-economic and socio-cultural forces driving human activities, which ...
17 May 2005 - by Delphine Digout, UNEP/GRID-Arendal
The Caspian Sea drainage basin
The Caspian Sea runs north and south, extending over 1,200 km, with an average width of 320 km. It covers approximately 400,000 sq km (an area slightly larger than Germany). The population of the region is about 14 milli...
04 Oct 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Greenland (Denmark), ice cap, topography and bathymetry
Greenland is located in Northern North America, a large island between the Arctic Ocean and the North Atlantic Ocean, northeast of Canada, comprising 2,166,086 sq km. It has an estimated population of 56,375 (2005) and i...
03 Oct 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Potential climate change impacts
If greenhouse gas concentrations keep rising, climatic changes are likely to result. Those changes will potentially have wide-ranging effects on the environment and socio-economic and related sectors, such as health, agr...
23 Feb 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Sensitivity, adaptability and vulnerability
The potential impacts of climate change on the environment and socio-economic systems can be understood in terms of sensitivity, adaptability and vulnerability of the system, and this figure defines these terms.
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
168 Parties to the Basel Convention in 2006
By the 1980s, the international community launched treaty negotiations under the auspices of the United Nations Environment Programme. In March 1989, they adopted the Basel Convention on the Control of Transboundary Move...
15 Dec 2006 - by Cécile Marin, Emmanuelle Bournay
Mining and quarrying waste quantities in Europe
At 29 per cent of total wastes generated and with over 400 million tonnes of materials, mining and quarrying account for the largest stream of waste generated by countries that are members of the Euro pean Environment...
15 Dec 2006 - by Diana Rizzolio
Waste management choices in Europe
Not long ago the amount and composition of waste was such that it could be simply diluted and dispersed into the environment. Most items were reused and only a few remained, that would not decompose naturally. With indus...
15 Dec 2006 - by Emmanuelle Bournay
Who is involved? (The making of international legislation)
Recognizing that industrial society must fix this major flaw in the system, governments and many forward-looking companies started exploring solutions as early as the 1970s. The strong activism of civil society organizat...
15 Dec 2006 - by Cécile Marin, Emmanuelle Bournay
About the difficulties of classifying waste (and counting it)
A multitude of approaches exists to classify the various categories of waste. Waste can be sorted either by its origin (what activity has created it?), by its composition (what is it made of?), by the level of danger it...
15 Dec 2006 - by Emmanuelle Bournay
Caspian Sea and the world: the stage and the actors
The Caspian Sea region presents a wealth of opportunities in various aspect, including bioresources, transport corridors, and not ecotourism. These new ventures may bring increased prosperity, but they also put pressure...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Biodiversity in the Caspian Sea (Approximate numbers)
The region presents a wealth of opportunities in other areas, including bioresources, transport corridors, and not least ecotourism. These new ventures may bring increased prosperity, but they also put pressure on tradit...
22 Feb 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
The Caspian Sea drainage basin
The Caspian Sea runs north and south, extending over 1,200 km, with an average width of 320 km. It covers approximately 400,000 sq km (an area slightly larger than Germany). The population of the region is about 14 milli...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Mean sea surface temperature on the Caspian Sea
Recent research by the Caspian Environment Programme estimates the number of living seals to be as low as 150,000. A further reduction in ice cover due to a warming climate could well be one of the major threats facing t...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Discharge of pollutants in the Caspian Sea - mercury and cadmium
Mercury and Cadmium are classified as toxic metals, and are persistant pollutants in the environment, that stays in the system and is accumulated through the food chains. The main release of these pollutants are on the w...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Origin and destination of selected invasive/alien species
Invasive and alien species that are brought into a new environment, either on purpose or by accident, can quickly exploit ecological niches that are not fully covered by indigenous (local) species. They will then quickly...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Energy production, consumption and export - Kazakhstan and Azerbaijan
The land-based activities of the oil and gas industry in Kazakhstan and Azerbaijan have had a much more severe impact on the environment than marine activity. In particular the growth in hydrocarbon-related activity has ...
29 Nov 2007 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Global costs of extreme weather events
The loss data on great natural disasters in the last decades show a dramatic increase in catastrophe losses. A decade comparison since 1960 is shown in the table. The reasons for this development are manifold and encompa...
17 May 2005 - by Emmanuelle Bournay, UNEP/GRID-Arendal
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