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Sustainability  /  Environmental Stewardship

Environmental Stewardship

Environmental stewardship is a core part of how we operate at Lundin Mining. We are committed to minimizing the impacts of our activities while contributing to the long-term health and resilience of the ecosystems where we work. Our approach focuses on key areas including air quality, climate action, nature and biodiversity, waste and tailings management, and water management. Through proactive management, innovation, and collaboration, we aim to protect natural resources, reduce emissions, and support a sustainable future for our host communities and the planet.

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We recognize the potential impacts of mining-related emissions on human health, the environment, and nearby communities, and we are committed to minimizing these impacts through site-specific planning, implementation of preventative measures, ongoing performance evaluation, and effective control measures.

Our management approach considers air quality impacts both within our site boundaries and on adjacent lands and communities to support the health and well-being of workers and communities, while contributing to a more sustainable environment throughout the mining life cycle.

Monitoring programs are tailored to site-specific conditions and regulatory requirements and may include tracking emissions of oxides of nitrogen and sulphur, volatile organic compounds, carbon monoxide, hazardous air pollutants, and particulates.

Dust emissions from blasting, vehicle movement, and material handling are managed at our operations using widely adopted suppression techniques such as water sprays, binding agents, covered storage and transport, and air filtration systems. Our actions vary by site but always aim to reduce impacts both within our operations and in surrounding communities. To ensure our air quality measures are effective, we document procedures, train our workforce, and monitor the efficiency of our measures. These efforts will continue throughout the life of each mine.

How We Manage Air Quality
  • Dust suppression using water trucks, binding agents, and sprinkler systems
  • Covered storage and transport of materials
  • Speed limits, road maintenance, and wheel washes
  • Air filters and dust capture systems in indoor areas
  • Workforce training and documented procedures
  • Monitoring of NOx, SOx, VOCs, CO, HAPs, and particulate matter, depending on site-specific needs

We acknowledge climate change as a global concern. As an energy-intensive industry, and given our current use of non-renewable energy sources, we recognize our responsibility to reduce greenhouse gas emissions and promote climate resilience.

We manage climate-related risks through responsible energy use, operational efficiencies, and strategic planning. Our climate strategy integrates scenario analyses, financial planning, and site-level decision making to address both physical risks, such as extreme weather, droughts, and floods, and transition risks, including evolving regulations, market shifts, and reputational pressures. We monitor carbon pricing developments and regulatory changes across jurisdictions to anticipate impacts and identify opportunities, and we’re actively assessing additional mitigation strategies that may have a positive and measurable benefit for the environment.

How We Manage Climate Action
  • Site-level energy management
  • ISO 50001-certified energy management systems at Candelaria and Caserones
  • Use of renewable electricity at Candelaria and Caserones
  • Ongoing evaluation of carbon abatement initiatives at Candelaria, Caserones, and Chapada
  • Corporate GHG emissions target: 35% reduction in Scope 1 & 2 emissions by 2030 (vs. 2019 baseline)
  • Integration of climate considerations into financial planning and scenario analysis
  • Global operational excellence calls to share energy management learnings across sites

To us, responsible mining includes understanding and respecting the natural environments where we operate. We are committed to protecting nature and conserving biodiversity across the life cycle of our operations, from project development through to closure.

Our approach to biodiversity management aims to minimize habitat disturbance, conserve ecosystems, and plan for restoration. We conduct baseline studies before developing new mines or expanding existing ones, integrate biodiversity data into site management systems, and monitor habitat health through routine flora, fauna, and aquatic surveys. At some locations, we implement species relocation programs and support permitting processes with supplementary assessments.

We also conserve and manage soil through a standardized procedure, and we partner with communities and universities to support conservation and restoration efforts, incorporating local knowledge where available. We continue to track performance, strengthen practices, and assess opportunities to enhance biodiversity outcomes. Our approach reflects a commitment to continuous improvement and long-term environmental stewardship.

How We Manage Nature and Biodiversity
  • Site-level biodiversity management
  • Baseline biodiversity studies conducted prior to new development or expansion
  • Integration of biodiversity-related data into operational decision-making
  • Routine monitoring of habitat health through flora, fauna, and aquatic surveys
  • Implementation of species relocation programs, where required

We take a comprehensive, life-of-mine approach to waste and tailings management aligned with international best practices. We have set meaningful targets to reduce the environmental footprint of our tailings facilities and are developing integrated strategies to manage associated risks, including climate-related impacts.

Our mineral waste management includes robust design, construction, and monitoring practices to ensure geotechnical stability and minimize environmental risks, with emergency preparedness and climate resilience being key areas of focus. Tailings are managed through surface disposal using engineered impoundments. We actively manage risks such as acid rock drainage, metal leaching, and water quality impacts from exposed sulphide minerals, and we conduct assessments of waste structures in alignment with the Global Industry Standard on Tailings Management.

Non-mineral waste is managed through site-specific plans that comply with jurisdictional requirements and emphasize circularity, identifying opportunities for waste minimization, recycling, and reuse. These plans are supported by integrated waste management strategies, operational controls, and collaboration between operational and social performance teams, in alignment with our Responsible Mining Policy.

How We Manage Tailings and Non-Mineral Waste

Tailings

  • Surface tailings disposal using engineered impoundments
  • Independent Tailings Review Program with site visits and multidisciplinary boards
  • Emergency preparedness is integrated into tailings governance

Non-Mineral Waste

  • Site-specific non-mineral waste plans are aligned with jurisdictional requirements
  • Emphasis on circularity through waste minimization, recycling, and reuse
  • Collaboration between operational and social teams to reduce community impacts

Water is essential to our business, our host communities, and the ecosystems where we operate. We recognize that mining and mineral processing rely on significant volumes of water, much of which is returned to the environment or recirculated, and we are committed to managing this shared and finite resource responsibly and transparently.

Our approach is grounded in minimizing freshwater use, maximizing reuse, and protecting water quality. We maintain site-wide water balance models to track inputs and outputs, monitor water quality and quantity to enable early detection of potential impacts, and comply with all applicable licence conditions and regulatory requirements. We also conduct aquatic life and ecosystem assessments at our sites and establish water steering committees where relevant to address risks and opportunities collaboratively.

Our operations source water from a mix of recycled process water, desalinated water, groundwater, and meteoric water, with site-specific strategies tailored to local hydrological realities. We manage water responsibly across our sites by considering local conditions such as precipitation, seasonal variability, and water scarcity.

How We Manage Water Stewardship
  • Site-level water management
  • Reduction of freshwater consumption and increased use of recycled water
  • Extensive water monitoring programs tailored to site-specific conditions to protect resources and detect potential impacts
  • Aquatic life and ecosystem assessments conducted at key operations
  • Maintain site-wide water balance models to support informed decision-making
  • Compliance with water abstraction and discharge licence conditions and applicable regulations