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Tag: Chemical

Global Ocean Acidification
As carbon concentrations in the atmosphere increase, so do concentrations in the ocean, with resultant acidification as a natural chemical process.
06 Oct 2009 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Threat of bad bugs
Locust invasions are a major threat to the agriculture, pasture, food security and social stability of rural populations occupying a very large area from Western Africa to Northern India. Large amounts of chemicals are b...
03 Oct 2006 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Natural and industrial disasters
Some places are more prone to disaster than others. But that does it take to turn a cyclone into a disaster in one place and just a climatic event somewhere else? The main reasons are obvious enough. Economically deprive...
01 Feb 2006 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Radioactive, chemical and biological hazards in Central Asia
The Soviet development model for Central Asia was based on building large-scale irrigation schemes enabling the region to become a major cotton producer and expanding the mining and processing industry. Industrial operat...
17 May 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Acidification due to climate change - impacts for oceans and coral reefs
As carbon concentrations in the atmosphere increase from land use changes and emissions from fossil fuels - so do concentrations in the ocean, with resultant acidification as a natural chemical process. The skeletons of ...
01 Feb 2008 - by Hugo Ahlenius, UNEP/GRID-Arendal
Transboundary Movement of Hazardous Wastes and Other Wastes from Non-OECD Countries to OECD Countries in 1997
This graphic shows the total transboundary movement in 1997 of hazardous wastes and other wastes from non-OECD to OECD countries that were reporting parties in 1997 to the Basel Convention on the Control of Transboundary...
06 Mar 2006 - by UNEP/GRID-Arendal
Disposal Operations in 1997 in Million Metric Tonnes
This figure shows the total amounts of hazardous waste disposed of through 16 different methods in 1997 by parties to the Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and Their Disposal....
06 Mar 2006 - by UNEP/GRID-Arendal
Transboundary Movement of Hazardous Wastes and Other Wastes Among all Reporting Parties in 1997
This graphic shows the total transboundary movement in 1997 of hazardous wastes and other wastes among all reporting parties to the Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and Their...
06 Mar 2006 - by UNEP/GRID-Arendal
Mining waste emissions to land and water in Australia
PRTRs (Pollutant Release and Transfer Registers) are databases of chemical releases to air, land and water from factories or other sources. Targeting a broad public audience, they support our right to information on toxi...
01 Oct 2006 - by Emmanuelle Bournay
Barren Lands
Deforestation is well known for aggravating erosion. Bare soil has no protection against heavy rain, washing away immediately. On hillsides, it readily turns into mudslides leaving people very little time to seek refuge ...
01 Feb 2006 - by Emmanuelle Bournay, UNEP/GRID-Arendal
No shelter - refugees, sanitation and slums
In the face of any calamity we instinctively take refuge under a roof. This is little use against a chemical or nuclear accident, but for many there is no other resort. The number of people currently living in shanty tow...
01 Feb 2006 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Industrial hot spots Tisza river basin
On 30 January 2000 a tailings dam at the Aurul Mine in Romania overflowed and released 100,000 cubic metres of effluent containing cyanide into the Tisza River. By the time the overflow was detected, the alarm raised and...
01 Feb 2006 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Environment and Security priority areas in the Ferghana Valley
The graphic shows an outline of the areas within the Ferghana Valley which are subjects to disputes over water resources and borders, disputes between private and collective farmers, deforestation and overuse of pasture....
16 Mar 2006 - by Viktor Novikov and Philippe Rekacewicz, UNEP/GRID-Arendal
Climate change and natural disaster impacts in the Ferghana Valley
Central Asia is a disaster-prone area, exposed to various natural hazards such as floods, droughts, avalanches, rockslide and earthquakes. It is also vulnerable to man-made disasters related to industrial activity and th...
16 Mar 2006 - by Viktor Novikov, UNEP/GRID-Arendal
Radioactive, chemical and biological hazards in Central Asia
The Soviet development model for Central Asia was based on building large-scale irrigation schemes enabling the region to become a major cotton producer and expanding the mining and processing industry. Industrial operat...
16 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Industrial pollution and waste hotspots in the Ferghana Valley
Mercury mining, uranium mining, chemical and textile industries, oil facilities and processing plants which contribute to the contamination of the soil with highly toxic heavy metals are recognized as environmental chall...
16 Mar 2006 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Barents Sea vulnerability index
Areas that are vulnerable to pollution from oil and chemical spills where identified using a multiple index in a geographical analysis. Factors, including shoreline sensitivity, corals, benthic conditions, sea birds, mar...
06 Dec 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
The Antarctic hole
Despite progress achieved under the Montreal Protocol, the ozone “hole” over the Antarctic was larger than ever in September 2006. This was due to particularly cold temperatures in the stratosphere, but also to the chemi...
29 Nov 2007 - by Emmanuelle Bournay, UNEP/GRID-Arendal
The Antarctic hole
Despite progress achieved under the Montreal Protocol, the ozone “hole” over the Antarctic was larger than ever in September 2006. This was due to particularly cold temperatures in the stratosphere, but also to the chemi...
31 Jul 2008 - by Emmanuelle Bournay, UNEP/GRID-Arendal
Energy cost of various construction materials
CO2 emissions are not directly deducible from energy costs. Concrete for instance is a very CO2-intensive material due to the emissions from chemical processes involved in its production, despite the relatively low energ...
05 Jan 2009 - by UNEP/GRID-Arendal
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