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Setting the bar – then raising it

We emulate best-practice environmental management across all our sites, and raise the bar through the application of local knowledge, harnessing the diverse skills and expertise of our workforce.

Non-greenhouse gas emissions

Atmospheric emissions that are non-greenhouse gases manifest principally at our Tsumeb operation in the form of sulphur dioxide (SO2). Non-greenhouse gas emissions at our other operations are low. These SO2 emissions result as a product of the sulphur content of the concentrate smelted. Potentially problematic from an environmental impact point of view, these emissions are rapidly being reduced by more than 90% by the operation of an acid plant which effectively “captures” SO2 and turns it into sulphuric acid. This is sold on to Namibian industry, reducing the need for expensive imports.

Energy management

Energy efficiency and responsible management have become critical global imperatives in the light of climate change pressures and other economic drivers. At DPM we recognize the need to make changes to our operations, as appropriate, to optimize energy usage and ensure efficiency. Critical energy optimization thinking, including the potential use of renewables, are key parts of our planning process and including this in our sustainability reporting is fundamental to our vision.

Effluent and waste management

Ongoing investment in upgrades and modernization at all our sites, results in incremental improvements in energy efficiency and reductions in emissions such as greenhouse gases & SO2.

For example, in Tsumeb, our strategy is to bring the smelter to international environmental standards, consistent with directives issued by the Namibian government. We monitor emissions in our community, reported and verified by third party experts. We then adjust our operations in response to any changes in emissions.

Both Bulgarian and European Union legislation ensures that the management of our mine waste in Bulgaria complies with extremely strict guidelines and protocols. Read More in our 2014 Sustainability Report

Land quality

We consider Mine Closure Plans to be a fundamental part of mine planning, and we have developed plans for each site. We work with the local communities to ensure we leave a sustainable legacy or sustainable livelihood after the closure of the mine. The plans are living, iterative documents and are reviewed regularly and updated based on current data. Currently, all of our closure plans include an analysis of land use options, rehabilitation of land and buildings, environment protection options and community development options.


We operate in areas of the globe that are often characterized by important biodiversity and conservation areas, often close to our areas of operation. We recognize the importance of protecting and ensuring the optimal functioning of these diverse and complex ecosystems.

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Learn more about Tsumeb

Stock Quote: TSE

Price 9.85

Change -0.10

Volume 5,369,478

% Change -1%

Intraday High 10.18

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Previous Close 9.95

09/18/2020 04:15 PM ET Pricing delayed 20 minutes
: 1,950.94 ?+6.18


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