Most organisations can see the storm when it arrives. Very few have built the systems to see it forming.
Picture a clothing brand headquartered in Lagos, Nigeria, sourcing cotton and other raw materials from Asia. Its offices are safe, its logistics are smooth, and its quarterly reports look healthy. But three thousand miles away, a monsoon season disrupted by shifting climate patterns, floods the fields that supply its most critical raw materials. Suddenly, a risk that never appeared on any spreadsheet becomes a company-threatening event.
This is not a hypothetical. It is the lived reality for hundreds of companies every year, and it is increasing.
Climate risk in supply chains is uniquely dangerous precisely because it tends to be invisible until it is too late. Unlike a financial risk that shows up in cash flow statements or a reputational risk flagged in press reports, climate risk sits quietly inside physical geographies, supplier relationships, and raw material dependencies, waiting.
Most risk management frameworks are built around what has already happened. Historical disruption data, past supplier failures, previous price volatility. But climate change is, by definition, a forward-looking problem. The risk profiles of the next twenty years will look nothing like the last twenty and companies that manage climate exposure using yesterday’s tools are already behind.
The most common blind spots we encounter fall into four categories:
Physical Risk: Companies often assess climate exposure at Tier 1 suppliers (direct partners), but the real vulnerability is deeper. A Tier 3 component manufacturer in a flood-prone region can halt an entire production line, and most organisations have no visibility there.
Transition Risk: Carbon taxes, deforestation regulations, and import carbon border mechanisms are advancing rapidly. Suppliers in high-emission sectors may face sudden cost surges or market access restrictions that cascade upward to buyers unprepared for the shift.
Water & Resource Stress: Water scarcity is one of the most underpriced climate risks in procurement. Agriculture, semiconductors, pharmaceuticals, and textiles are all water-intensive and many of their key production regions are facing structural water stress.
Data Opacity: Most companies still have no mechanism to collect emissions or climate exposure data from suppliers. Without this, disclosure requirements like CSRD and IFRS S1 and S2 cannot be met accurately, creating both a compliance and a reputational risk.
Traditional supply chain resilience strategies focus on redundancy: dual sourcing, buffer stock, geographic diversification. These are valid tools, but they solve for disruptions that are random and temporary. On the other hand, Climate change introduces risks that are systemic and structural. A backup supplier in the same river basin does not protect you from regional drought. A buffer stock built for short disruptions does not absorb a multi-season crop failure.
The IPCC’s Sixth Assessment Reportmakes clear that climate impacts will be geographically uneven and increasingly concurrent, meaning multiple regions may experience disruptions simultaneously. This is the scenario that conventional risk buffering cannot handle.
Furthermore, the rise of mandatory climate disclosure frameworks, including the EU’s Corporate Sustainability Reporting Directive (CSRD), the SEC’s climate disclosure rules in the US, and the IFRS Sustainability Standards, means that the cost of ignorance is no longer only operational. It is now legal and financial.
Climate risk assessment and resilience are no longer a luxury project; it is now an operational upgrade that also reduces cost, improves supplier relationships, and protects long-term margin.
To carry out Climate-Resilient Supply Chain Management:
1. Map physical exposure at depth. Use climate scenario modelling tools to assess heat, flood, drought, and sea-level risk not just at Tier 1, but at Tier 2 and Tier 3 supplier locations.
2. Integrate supplier climate data into procurement decisions. Organisations that request standardised emissions and climate risk data from suppliers and use the data for decision-making reduce their Scope 3 emissions exposure and gain a clearer picture of systemic risk across their value chain.
3. Stress-test against climate scenarios, not just historical disruptions. Scenario analysis using 1.5°C, 2°C, and 3°C warming pathways reveals very different risk landscapes. A supply chain that is resilient under 1.5°C may be severely exposed if warming reaches 3°C, and companies need to plan for both.
4. Embed climate KPIs into supplier contracts and relationships. Progressive procurement functions are moving climate requirements (emissions targets, water use reporting, adaptation planning)) directly into supplier agreements. This creates shared accountability and positions the buying organisation as a partner in resilience, not just a customer.
Organisations managing climate risk in their supply chains most effectively are not just avoiding losses. They are gaining a competitive advantage.
Climate risk in supply chains is not invisible to the companies that choose to look. It requires intentional effort, the right frameworks, and most importantly, partners who understand both the science of climate change and the pragmatics of supply chain operations.
To learn how Harley Reed can help your organisation identify and manage climate risk across your supply chain, visit www.harleyreed.com.
Written by: Sunday Ojo | Assistant Manager, ESG, Advisory Services
Harley Reed (Nigeria)
