Why climate resilience is critical for mining today

For Australia’s mining sector, climate resilience has moved decisively from a future concern to a present-day business requirement. This shift is being driven by regulatory change, financial scrutiny, and operational reality.

With Australia’s new mandatory climate reporting now in force, mining companies face a clear expectation: climate risk & resilience must be assessed, disclosed, and governed with the same rigour as other material business risks. For long-life, capital-intensive assets, that is not a reporting exercise alone, it is a strategic and technical one.

Mining’s climate risk is site-specific and operational

Mining assets are fixed in place, long-lived, and dependent on a limited number of critical systems and as a result, climate risk in Australia most often occurs through:

• Extreme rainfall and flooding, affecting pits, waste dumps, tailings storage facilities, haul roads, rail, and ports.
• Water scarcity and variability, challenging process water reliability, dewatering assumptions, and licence conditions.
• Heat extremes, with direct implications for workforce safety, productivity, and equipment performance.
• Cyclones and severe storms, disrupting logistics, power supply, access and safety of local mining communities.

These impacts are already influencing operational continuity and cost. Without testing mine plans and financial models against future climate scenarios, critical assumptions remain embedded, often unnoticed until they materialise and begin to shape performance, cost, or risk outcomes.

ASRS has changed the conversation

The Australian Sustainability Reporting Standards (ASRS) require entities to disclose material climate-related risks and opportunities and explain how these could affect strategy, financial performance, and future prospects.

The intent of ASRS is not to force perfect prediction, and instead, ensure that climate risk has been systematically considered and integrated into decision-making to build long term resilience.

What climate scenario analysis needs to deliver

Under ASRS, companies must assess their resilience using climate scenario analysis. For mining companies, its value depends on how well it reflects operational reality, and effective scenario analysis in a mining context should:

1. Be asset-level and not generic
   Climate exposure and vulnerability differ markedly between sites, and meaningful insight comes from analysing specific assets and systems.
2. Translate climate drivers into operational consequences
   Climate scenarios need to link changes in rainfall, temperature, and extremes to impacts on water balance, tailings performance, slope stability, access, and production constraints.
3. Focus on material decisions
   The purpose is to inform capital allocation, design margins, operating strategies, and contingency planning and resilience, not just a narrative for disclosure.
4. Be transparent and defensible
   Assumptions, methods, and outcomes must be clear, traceable, and suitable for external review.

From compliance to preparedness

For many mining companies, the initial response to ASRS will focus on compliance. Over time, the focus will shift to preparedness, using climate risk insights to strengthen operational resilience and protect asset value.

Well-structured climate risk planning can help organisations:

• Identify where climate risk is genuinely material, and where it is not.
• Prioritise adaptation actions that reduce safety, production, or liability exposure.
• Improve the robustness of mine planning, water strategy, tailings management, and closure assumptions.
• Support clearer governance conversations at executive and board level.

In Australia’s mining sector, climate risk is a current planning variable that affects how assets perform today and how they will be managed into the future.

Want to learn more?

For more information about ASRS and how we can support, please view our factsheet, or watch the webinar from our 2025 ASRS series: An Introduction to Climate Scenario Analysis.