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Leakage Modelling Review of the Proposed ‘Multiple-use Public Native Forests’ Method

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Published Date

July 2025

Purpose

The Leakage Modelling Review of the Proposed ‘Multiple-use Public Native Forests’ Method, developed by Industry Edge for FWPA and industry stakeholders, assesses the emissions leakage risks associated with the proposed Improved Native Forest Management in Multiple-use Public Native Forests Method (INFM method).

Key findings

  • The INFM method carries a high risk of emissions leakage, primarily due to ongoing demand for wood products in the housing sector.
  • Ending native forest harvesting does not reduce demand; it simply shifts supply to other sources or to higher-emission substitute materials.
  • Substitution will occur in two main forms:
    • To other wood sources, potentially leading to equivalent or higher emissions, including from imports.
    • To high-carbon materials such as steel, concrete, and aluminium, as acknowledged by the method’s proponents.
  • There are multiple, systemic leakage points in the proposed INMF method, making leakage widespread and difficult to control.
  • In summary, there is a pronounced risk that emissions leakage under the proposed INFM method will compromise the objective of reducing national emissions.

Author

Industry Edge (Tim Woods)
Posted Date: July 11, 2025

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