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Tag: Chemical pollution

How mercury can enter our environment
While some pollutants are restricted in their range and in the size and number of the population they affect, mercury is not one of them. Wherever it is mined, used or discarded, it is liable – in the absence of effectiv...
11 Oct 2013 - by GRID-Arendal
Industrial processes: input and output of mercury
Socio-economic conditions are often barriers to the adoption of better practices (UNEP, 2012). This figure shows the inputs and outputs of mercury by industries.
11 Oct 2013 - by 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
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
Ozone hole size 1980–2006
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...
01 Oct 2007 - by Emmanuelle Bournay, UNEP/GRID-Arendal