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Tag: Waste

Personal computers per 1000 people
It is estimated that there are over a billion personal computers in the world at present. In developed countries these have an average life span of only 2 years. In the United States alone there are over 300 million obso...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Trends in transboundary movement of waste among Parties to the Basel Convention
The amount of waste on the move is increasing rapidly. Reports to the Basel Convention on the control of transboundary movements of hazardous wastes and their disposal suggest that between 1993 and 2001 the amount of was...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Raw materials consumption in the United States
The United States consumption of key raw materials is rising fast. Since 1950 some raw material consumption has increase by over 200 percent. Raw materials used for construction has risen over 400 percent in the same tim...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Consumption of selected industrial raw materials compared to global population
Five of the top countries consuming industrial raw materials account for roughly 10 percent of the world's population but consume up to 50 percent of more of some of the main materials. This shows a large imbalance betwe...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Total hazardous and other waste generation as reported by the Parties to the Basel Convention in 2001 (bar chart)
The Basel Convention has estimated the amount of hazardous and other waste generated for 2000 and 2001 at 318 and 338 millions tonnes respectively. However these figures are based on reports from only a third of the coun...
17 May 2005 - by UNEP/GRID-Arendal
Ok Tedi mine
The Ok Tedi mine is located high in the rain forest covered Star Mountains of Papua New Guinea. Prior to 1981 the local Wopkaimin people lived a subsistence existence in one of the most isolated places on earth. That was...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Export waste as reported by Australia, in tonnes, 2001
Australia is not a big player in the waste trade, but a good percentage of its exports are shipped all the way to Europe. In 2000 Australia reported the export of 16 689 tonnes of waste (all classifi ed as hazardous) to ...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Ship owners and builders
When ships like oil tankers and cargo vessels pass their use by date they are broken up for scrap. Large ships are generally built by companies in countries like Japan, South Korea and Germany, but when it comes time for...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Ore production and waste generation at Ok Tedi Mine
The Ok Tedi mine is located high in the rain forest covered Star Mountains of Papua New Guinea. Prior to 1981 the local Wopkaimin people lived a subsistence existence in one of the most isolated places on earth. That was...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Solid waste management cost for selected cities
Sound waste management requires a high level of technology and a signif cant budget. What Japan and Germany can afford today, most countries will have to wait a long time for. Developed countries have a lot to learn fro...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Shipbreaking in Asia
Prior to 1970, shipbeaking was concentrated in Europe. It was a highly mechanised activity carried out at docks by skilled workers. However the increasing cost of upholding environmental health and safety guidelines made...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Waste generation from manufacturing
Manufacturing waste, as you would expect from the vast range of products produced and processes involved, is a very diverse group. The waste generated depends on the technology used, the nature of the raw material proce...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
What is in a computer
On average a computer is 23% plastic, 32% ferrous metals, 18% non-ferrous metals (lead, cadmium, antimony, beryllium, chromium and mercury), 12% electronic boards (gold, palladium, silver and platinum) and 15% glass. On...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Import of waste as reported by Australia, in tonnes, 2001
In 2000 Australia imported 1600 tonnes of waste from New Zealand, Norway, French Antarctic and South Africa. This included mostly copper and lead compounds from New Zealand, selenium from Norway and household waste from...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Waste generation from manufacturing industry (by sectors)
Turning raw materials into consumer products generates waste - depending on the technology used, the nature of the raw material processed and how much of it is discarded at the end of the chain. Very often manufacturing ...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
How long does it take for some commonly used products to biodegrade?
Pollution emitted in industrial areas represents a threat to human health and the surrounding natural resources. We have a tendency to believe that the production processes are the only source of environmental damage, an...
17 May 2005 - by UNEP/GRID-Arendal
Recycling rates for selected OECD countries
The priority now is to decrease the amount of waste we generate. That means changing our consumption patterns, for example by choosing products that use recyclable material, market fresh produce instead of canned food, l...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Mercury pollution - transport and cycle
Mines use toxic chemicals including cyanide, mercury, and sulphuric acid, to separate metal from ore. The chemicals used in the processing are generally recycled, however residues may remain in the tailings, which in dev...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Different sources of danger and their impacts to the environment
Contaminated groundwater can adversely affect animals, plants and humans if it is removed from the ground by manmade or natural processes. Depending on the geology of the area, groundwater may rise to the surface through...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Composition of transboundary waste
According to the Basel Convention reports, of more than 300 million tonnes of waste (including hazardous and other waste) generated worldwide in 2000, a little less that 2% was exported. However 90% of the exported waste...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
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