Natural capital is integrated into our operations and performance. We have significant dependencies on natural capital which include water, coal and iron ore.
Steel cannot be made without water: in 2016 our intake per ton of steel was 23.7m3. Considering the clean water we discharge, our net water use per ton is 5m3.
Coal is needed for the chemical process of making steel and for providing most of the energy for manufacturing. In addition, while iron ore is abundant in the earth’s crust, deposits are in increasingly sensitive areas with an important presence of ecosystems and species. Mining accounts for one of our impacts on nature.
Other impacts from our production process are GHG and air emissions - such as CO2, CO, dust, NOx and SOx; effluent waters; residues - which are recycled, stored and landfilled; noise and soil pollution.
Our reputation is dependent on good management of the above, as are our ratings in financial markets - which increasingly take natural capital into account.
Due to the different context for each ArcelorMittal site/operation – from highly populated urban areas to biologically sensitive and protected rural areas – our approach to managing natural capital is tailored for local context.
Our results are global. At our largest Brazilian steel mill, 2.6 million trees act as a green belt providing benefits such as reducing fugitive emissions and noise pollution and helping with thermal comfort. Also in Brazil, we make charcoal from eucalyptus; we manage forests that were established in once degraded pasture lands representing a total of 135,000 hectares (including protected areas) this creates a carbon positive balance.
Carbon is a challenge in steel making since it is needed to turn iron ore into steel. To tackle this, we are building an industrial demonstration project to use LanzaTech’s proprietary microbe to produce bioethanol from our waste gases.
We also believe that third party certification of mines is important to address upstream impacts and we have been a member of the steering committee for the development of IRMA.
Emma Price Thomas (Emma.firstname.lastname@example.org) Environmental Stakeholder Specialist, ArcelorMittal
Trusted user of air, land and water (http://corporate.arcelormittal.com/sustainability/our-10-outcomes/air-land-and-water)
LanzaTech – Steel, ethanol and the low-carbon economy (http://annualreview2016.arcelormittal.com/action-2020/sustainability-review)
Mining in Liberia (http://liberia.arcelormittal.com/corporate-responsibility/environment.aspx)
Sustain our Great Lakes (http://www.usa.arcelormittal.com/news-and-media/our-stories/2016/jan/01-19-2016)
Water scarcity in Galati, Romania 2015 report
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