No net loss
No net loss is an outcome target under which residual biodiversity losses are balanced so that no overall loss remains within the stated scope. Applying No net loss requires a stated place, ecological condition, water or land unit, affected stakeholders, and assessment timescale.
In simple terms
In practical use, No net loss is an outcome target under which residual biodiversity losses are balanced so that no overall loss remains within the stated scope. For No net loss, the asserted state needs a baseline, boundary, deadline, accounting method, and evidence of achieved performance within a declared place, ecological condition, water or land unit, affected stakeholders, and assessment timescale. Losses should first be avoided and minimized; an offset label alone does not establish an equivalent biodiversity outcome. No net loss connects with Nature positive and Biodiversity offset; each can affect its application without sharing its definition. The candidate link between No net loss and Water opportunity remains a separate expansion question supported here by International Finance Corporation.
Why it matters
No net loss matters because decisions about it determine which ecological condition is used as the baseline, whose water or land interests count, and whether an intervention fits its location. A defensible use of No net loss therefore exposes its boundary, method, evidence, responsible actor, and uncertainty before a conclusion is accepted. That discipline keeps Nature positive and Biodiversity offset from being treated as proof of No net loss when their criteria, scope, or results differ.
Example
A site and landscape team evaluates No net loss for a defined decision and records the relevant place, ecological condition, water or land unit, affected stakeholders, and assessment timescale. For No net loss, the team uses cited material from International Finance Corporation to define the target boundary, baseline, deadline, and evidence, documenting the period, data, assumptions, and comparison with Nature positive. It treats Biodiversity offset and Water opportunity as separate questions rather than proxies for No net loss.
How it differs
Nature positive
No net loss seeks a balance within a defined scope, whereas Nature positive describes an ambition to halt and reverse nature loss. A no-net-loss result does not by itself demonstrate recovery beyond the baseline.