Objections & answers / Follow the sources
The strongest questions.
Answers you can check.
A credible case for scrutiny must take the case for hazard reduction burning seriously.
These answers set out strong arguments for planned burning, the evidence-based response and the limits on what can be concluded. The aim is to improve public decisions about protection, health, ecology and spending.
Programs and landscapes differ. The questions below are paraphrased arguments, rather than quotations or a measured ranking of public opinion. Our report is a targeted evidence review, not a systematic review or a calculation of Australia’s net HRB benefit or harm.
01Doesn’t HRB protect homes and lives—and shouldn’t we burn more strategically?
The case for HRB
Reducing fuels in the right place can improve protection. If existing burns rarely intersect a threatening wildfire, limited results may indicate a targeting problem rather than a treatment that never works.
Our response
That is a substantial argument. In a study of 1,617 houses, recent fire within five years and less than 3 km upwind was associated with lower house loss. The measure included wildfire and prescribed fire; 69% of houses had no prescribed burn in that relevant window. Vegetation within 40 m had a stronger, more certain association with loss. Gibbons et al. (2025) ↗
The policy question is which treatments deliver protection after smoke, ecological effects and maintenance are counted. Better targeting deserves assessment alongside other protection measures. Increasing total hectares burnt does not, by itself, establish that the additional burns are protecting exposed homes.
What remains uncertain: This observational study does not establish a national net outcome, identify every life saved or prove that more targeted burning is always the best option.
02Wouldn’t less planned burning mean bigger wildfires and more smoke overall?
The case for HRB
A planned smoke exposure could be justified if the treatment prevents a larger future wildfire exposure. Assessing planned smoke alone would leave out that potential benefit.
Our response
Both exposures belong in the comparison. A NSW study covering July 2000–June 2020 attributed 82.1% of estimated fire-smoke health costs to wildfire and 17.9% to prescribed fire. The prescribed component was $361 million, in 2018 Australian dollars. These are historical source-attributed estimates, rather than a comparison of strategies. Borchers-Arriagada et al. (2021), abstract ↗
Ask how each proposed program changes future wildfire exposure and adds treatment exposure, including where the emissions travel and who breathes them. This site does not claim that eliminating planned burning necessarily reduces total smoke.
What remains uncertain: Historical totals, per-hectare ratios and benefit estimates from other regions cannot simply be combined to calculate a net health result.
03Isn’t smoke already managed through forecasts, notifications and safer burn windows?
The case for HRB
Planned burns allow agencies to choose conditions and manage operations, while an unplanned wildfire can occur under much less favourable circumstances.
Our response
Existing safeguards deserve recognition. NSW RFS describes smoke modelling, community advice and adjustments to burns to manage impacts. RFS smoke-management information ↗
Our request is to evaluate those safeguards against measured outcomes: predicted and observed exposure, decisions to proceed or postpone, coordination of simultaneous burns, and notice and support throughout the smoke-affected area. Residual smoke costs should also be visible in the economic comparison.
What remains uncertain: The existence of a safeguard does not quantify its effectiveness. An adverse episode also does not establish that every agency decision or safeguard failed.
04Aren’t the smoke-related deaths estimates, rather than confirmed deaths from particular burns?
The objection
A modelled population burden should not be presented as identified individual deaths. Estimates depend on pollution measurements, exposure assumptions and epidemiological relationships.
Our response
That distinction is essential. Broome and colleagues estimated 14 premature deaths associated with six smoky days around Sydney in May 2016, with a 95% confidence interval of 5–23. Their assessment used pollution exposure and exposure–response relationships to estimate the population health burden. Broome et al. (2016), abstract ↗
This is evidence relevant to population policy, with uncertainty that must be reported. The figure is neither an individually certified death toll nor a toll for every burn. Apply comparable scrutiny to modelled lives saved and avoided losses when those figures are used to justify treatment.
What remains uncertain: The estimate does not identify particular people or how much lifetime each person lost. It cannot be extrapolated as a fixed cost per burn.
05Don’t the models already count lives, health, carbon and the environment?
The objection
It would be unfair to describe all economic assessments as property-only models or to say that health and environmental costs are universally ignored.
Our response
Different models have different coverage:
- Penman et al. (2020) valued lives, houses, powerlines, carbon and ecological assets, but excluded population smoke impacts and could not estimate cumulative ecological fire-regime effects. Original study ↗
- Deloitte/AFPA (2014) included PM10 and carbon in an illustrative scenario, using burnt area as a pollution-cost proxy. Commissioned report (PDF) ↗
- Finity/ICA (2022) included disaster health and social costs, but did not separately quantify added treatment-smoke exposure. Commissioned report (PDF) ↗
The case for review identifies particular omissions and assumptions in named assessments. It does not depend on claiming that no model counts human lives.
What remains uncertain: A missing cost makes a result incomplete for that purpose; it does not establish that adding the cost reverses the result.
06Don’t strong economic returns justify current investment?
The case for investment
If treatment avoids losses greater than its costs, investment can protect communities and reduce financial burdens. A credible cost–benefit analysis is relevant evidence.
Our response
Finity’s 2022 ICA assessment projected $3,065 million in returns from $712 million invested over five years: a ratio of 4.3. Returns cover avoided losses through 2050, discounted to 2022 at 2%. The program combined burning, mechanical removal and sensing. It reused inputs from Deloitte’s earlier assessment. Finity/ICA report (PDF) ↗
The Deloitte/AFPA scoping example included smoke and carbon, but assumed PM10 costs would halve with burnt area. Its authors cautioned that fuller analysis could lower its benefit–cost ratio. Deloitte/AFPA report (PDF) ↗
These projections should be tested against updated exposure estimates, realistic treatment performance and alternatives. Publish how assumptions change the investment ranking.
What remains uncertain: A mixed-program projection is not an observed return from HRB alone. Reuse of an input does not provide independent validation of that input.
07Doesn’t Australian bushland need fire—and aren’t the ecological criticisms too broad?
The objection
Fire has ecological roles. Responses differ between habitats and fire regimes. Evidence from severe wildfire or one forest cannot be treated as proof that every low-intensity prescribed burn damages all ecosystems.
Our response
The direct prescribed-fire evidence is mixed. A long-running Wombat Forest experiment reported vegetation responses varying by treatment; it did not find universal species loss. Three-year treatments reduced carbon and nitrogen in the surface soil, while ten-year treatments did not show that same significant change. Victorian experiment (PDF) ↗
Research after Black Summer also found larger negative biodiversity responses where previous fires were more frequent. Those earlier fires were not all identified as HRB. Driscoll et al. (2024) ↗
The defensible request is habitat-specific assessment of cumulative fire history and recovery. A role for fire does not identify the right intensity, season or interval for every treatment.
What remains uncertain: These studies do not justify a universal “all burning destroys biodiversity” claim or a universal “older forest is always safer” claim.
08Aren’t alternatives expensive, unproven or impractical across large landscapes?
The case for current practice
A treatment needs to be feasible with available access, budgets and staff. Mechanical work and property upgrades also have costs, maintenance needs and environmental effects.
Our response
Alternatives require the same scrutiny as burning. NSW mechanical fuel-reduction trials found outcomes varied by site and method; retained debris could increase surface fuels, and fire-risk assessment relied on simulations. Mechanical trials report (PDF) ↗
The house-loss research also makes vegetation close to buildings an important comparator. Gibbons et al. (2025) ↗
Government should compare locally feasible combinations of targeted burning, mechanical treatment, building measures and preparedness. Include maintenance, access, smoke, ecological effects and support for households that cannot afford upgrades.
What remains uncertain: This review has not established one universally superior or cost-free substitute. A fair comparison may retain burning in some places and change treatment in others.
09Why trust this review over established researchers and agencies? Could it be cherry-picked?
The objection
A selective collection of papers can exaggerate harms or benefits. An AI-assisted briefing should be assessed by its sources, methods and accuracy, rather than its confident wording.
Our response
This is a targeted review, not a systematic review, and it cannot claim to settle scientific consensus. Readers should check the original studies and the report’s methods ↗ and our directory of all 27 references →.
The report includes evidence supporting protective burning, mixed ecological findings and disagreement about forest maturation. It records both the criticism and the authors’ reply to a WA analysis. Published comment ↗ · Authors’ reply ↗
The proposed independent review should use a transparent search, inclusion criteria and expert assessment, with comparable scrutiny of benefits and harms. Better evidence that establishes full net benefit under realistic conditions should change the conclusions for those conditions.
What remains uncertain: This briefing does not measure the balance of all published research, the distribution of all research funding or how prevalent its findings are across Australia.
10Isn’t industry funding normal—and irrelevant if the research is sound?
The objection
A commissioner or funder does not determine whether a finding is correct. Commercial interests can support useful work, and a funding allegation should not substitute for examining methods.
Our response
Methods and commissioning both belong in the public record. Deloitte’s 2014 study was commissioned by the Australian Forest Products Association. Finity’s 2022 report was prepared for the Insurance Council of Australia and reused earlier Deloitte inputs. Deloitte/AFPA (PDF) ↗ · Finity/ICA (PDF) ↗
Academic disclosures differ: Penman’s study reports author salary support from the Bushfire and Natural Hazards CRC and NSW RFS; the NSW smoke-cost paper reports no funding or competing interests. Penman disclosures ↗ · Smoke-cost paper, abstract ↗
The independent-review request is concrete: trace assumptions into policy, publish sponsors and research allocations, test omitted burdens and give affected communities an independent voice. Here, “CBA” means cost–benefit analysis.
What remains uncertain: Concealed campaigning, manipulation of results, a Commonwealth Bank funding connection and a systematic funding imbalance have not been established by this review. They require records and evidence of their own.
11Does questioning HRB disregard Aboriginal cultural burning and knowledge?
The concern
Aboriginal fire knowledge and authority deserve respect. A discussion that treats all deliberate fire as inherently wrong could dismiss practices with distinct cultural, ecological and community purposes.
Our response
Aboriginal-led cultural fire should be understood on its own terms. The NSW Cultural Fire Strategy distinguishes cultural fire from hazard reduction and recognises barriers created when their objectives and risk frameworks are treated as interchangeable. NSW Cultural Fire Strategy (PDF) ↗
Respecting Aboriginal knowledge is compatible with asking how an agency’s modern fuel-reduction program performs. Assessment should identify which practice is being discussed, its objectives, who governs it and which outcomes it seeks.
What remains uncertain: Our review does not establish outcomes for every cultural-fire practice. It should not be used to make claims on behalf of Aboriginal communities or to erase their authority.
12Could this undermine firefighters, volunteers and regional communities?
The concern
Firefighters need resources and workable protection measures. Regional communities face real fire risks and may worry that criticism of a program will become an argument for withdrawing support.
Our response
Proper funding, equipment, training and support for firefighters are commitments of this site. The review asks government to evaluate treatment outcomes while maintaining firefighting capability.
Publish treatment, preparedness and suppression spending separately. Evaluate protection for communities exposed to fire alongside burdens on communities exposed to smoke. Include operational expertise, regional experience and affected residents in the assessment.
These are policy recommendations, rather than findings that volunteers have acted improperly or that regional communities should receive less support. Read the report’s requests to government ↗
What remains uncertain: This briefing does not determine the appropriate budget or operational decision for each fire service or region.
13If net harm isn’t proved and governments have already investigated fire policy, why seek another review?
The objection
Public decisions cannot wait for perfect evidence. An incomplete model is not automatically wrong, and repeated reviews can consume resources without improving protection.
Our response
Government has already investigated disaster arrangements: the national Royal Commission published its report in October 2020. Royal Commission report page ↗ Our request should build on existing work and identify specific unanswered questions.
One regional model found cost-effective burning in Canberra, Hobart and the Blue Mountains; no additional prescribed burning was cheapest in eight other landscapes. Its smoke omission matters to a full public-health comparison. Penman et al. (2020) ↗
The proposed review should update evidence, publish model coverage, compare feasible alternatives, trace commissioning and report observed outcomes. Its practical purpose is to establish where current programs deliver full public benefit and where changes are justified.
What remains uncertain: This review has not calculated national net harm. Its case is that documented gaps can matter to decisions and deserve transparent testing. Any policy change should follow the resulting evidence.
The standard for a useful answer
Show the comparison.
Show what could change it.
For each program, publish the expected protection, treatment and future wildfire smoke, ecological effects, costs, alternatives and uncertainty. Evidence of full net benefit supports the treatment assessed. Evidence that another approach performs better should change the decision.
Q&A reviewed 13 September 2026. Linked studies and commissioned reports have their own dates and geographic scope.