In brief
• The ISSB released a draft practice statement for disclosures about material nature-related risks and opportunities.
• The proposal focuses on dependencies and impacts involving resources such as water, land and pollination, including where those exposures occur.
• Comments are due February 19, 2027, and the board could keep the guidance as a practice statement or turn it into a formal standard.
Nature-related disclosures can sound like another ESG exercise. They are not.
Nature risk gets real when a factory loses access to water, a shipping route becomes unusable or a crop loses the pollinators it needs.
Those are operating problems first. They become reporting problems when investors cannot see how the exposure could change production, costs, cash flow or strategy.
The International Sustainability Standards Board wants to make that connection clearer. Its proposed Practice Statement 1 would give companies a common way to explain material nature-related risks and opportunities without building a separate reporting system from scratch.
Start with what the business needs from nature
The proposal begins with dependencies and impacts. A company may depend on clean water, healthy soil, timber, minerals, rivers or pollination. Its own operations and supply chain may also change the quality or availability of those resources.
That relationship can create physical risk. A manufacturer may face a water shortage. A food company may see lower crop yields. A logistics business may lose access to a river route.
It can also create transition risk. New pollution rules, land-use limits or community opposition can raise costs before any physical resource disappears.
The point is not to count every tree near a facility. The point is to identify which changes could affect the company's prospects and would matter to an investor.
Location changes the answer
Nature exposure is often local. A gallon of water does not have the same business value in every place, and land use near a sensitive habitat can carry different risks from the same activity somewhere else.
That is why the proposal emphasizes location. It also asks companies to consider interactions with Indigenous peoples, local communities and other affected stakeholders.
Here is the catch: a single companywide score will miss the point. Management may need to connect facilities, suppliers and business activities to specific environmental resources and local conditions.
For finance teams, the useful bridge is the existing risk process. If a site-level environmental dependency could change asset values, margins, capital spending or access to financing, it belongs in the same conversation as other material business risks.
The disclosures are meant to connect
The ISSB does not want nature reporting isolated from climate disclosures or financial statements. Investors should be able to see how the risks relate to strategy, governance, metrics and the numbers already reported elsewhere.
The draft points companies toward two broad metrics when material: the amount and percentage of assets or activities vulnerable to nature-related risks, and the amount and percentage aligned with nature-related opportunities.
Those percentages will not explain the whole story. They can, however, force a company to define the population it measured, document its assumptions and show where the exposure sits.
The board also drew heavily from the Taskforce on Nature-related Financial Disclosures. That should help companies already using the TNFD framework avoid rebuilding their work from zero.
A practice statement leaves room to learn
The ISSB project page calls the document an exposure draft for a practice statement, not a final standard.
That distinction matters. A company would not have to follow the practice statement to say it complies with ISSB standards. The format gives businesses and jurisdictions room to improve reporting without disrupting current implementation work.
The board will review comments after the 120-day consultation closes on February 19, 2027. It could confirm the practice-statement approach or decide that nature-related requirements belong in a different form, including a standard.
Companies do not need to wait for that decision to find the weak spots. They can map which sites and suppliers depend on environmental resources, connect those exposures to financial outcomes and document why each item is or is not material.
Nature-related disclosures get useful when they stop sounding like a separate sustainability exercise. The real question is simpler: what does this business need from the natural world, and what happens to the numbers when that resource changes?
