Carbon Neutrality

Carbon neutrality — also referred to as achieving "net-zero carbon" or being "carbon neutral" — describes a state in which a mining organization balances its total greenhouse gas emissions with an equivalent quantity of verified carbon removals or offsets, resulting in no net addition of CO₂ or CO₂-equivalent gases to the atmosphere over a defined accounting period and boundary. In the bauxite, iron ore, gold, and diamond mining sectors, carbon neutrality commitments have become increasingly prominent in corporate sustainability strategies as stakeholders — including institutional investors, lenders, customers, and governments — demand alignment with the Paris Agreement's goal of limiting global warming to 1.5°C. It is crucial to distinguish between "carbon neutral" claims that rely heavily on purchased carbon offsets to compensate for large, unreduced operational emissions, and more credible "net-zero" commitments that prioritize deep, absolute reductions in operational emissions first — consistent with Science Based Targets Initiative (SBTi) methodology — and use high-quality carbon removals only for residual emissions that cannot yet be eliminated with available technology. Carbon neutrality in mining requires addressing emissions from diverse sources: diesel combustion in mobile equipment, natural gas in process heaters and calciners, purchased electricity from the grid, process-related emissions (such as CO₂ from carbon anodes in aluminum smelting or CO₂ from carbonate minerals in iron ore sintering), and refrigerants. The credibility of carbon neutrality claims depends on the scope boundaries, the quality and permanence of offsets used, the extent of actual operational emission reductions achieved, and the rigour of third-party verification. Mining companies pursuing carbon neutrality must develop detailed transition roadmaps with absolute emission reduction targets supported by specific technological and operational interventions.