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the claim

Defensible space zones protect homes from wildfires.

the verdict
INSUFFICIENT LEANING
Recorded sources
7 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Defensible space zones protect homes from wildfires?

Unclear. Several peer-reviewed studies and reference works indicate that defensible space around homes is associated with reduced wildfire risk and higher structure survival, though each covers a specific region or period and some note unresolved questions about efficacy. No single source settles the general claim outright.

Verdict: PARTIAL LEAN · 7 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 7
2014
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Syphard, A. D., Brennan, T. J., & Keeley, J. E. (2014). The role of defensible space for residential structure protection during wildfires. doi.org. https://doi.org/10.1071/wf13158

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More for · 6
2012
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Aronson, G. & Kulakowski, D. (2012). Bark beetle outbreaks, wildfires and defensible space: how much area do we need to treat to protect homes and communities?. doi.org. https://doi.org/10.1071/wf11070

2018
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Penman, S. H., Price, O. F., Penman, T. D., & Bradstock, R. A. (2018). The role of defensible space on the likelihood of house impact from wildfires in forested landscapes of south eastern Australia. doi.org. https://doi.org/10.1071/wf18046

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Defensible space (fire control). (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Defensible_space_(fire_control)

2020
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Mapping values at risk, assessing building loss and evaluating stakeholder expectations of wildfire mitigation in the wildland-urban interface. (2020). doi.org. https://doi.org/10.25675/3.05197

2012
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Association, A. P., Steiner, F. R., & Butler, K. (2012). Planning and Urban Design Standards. play.google.com. https://play.google.com/store/books/details?id=NXpncFYj73QC&source=gbs_api

2019
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Travis, W. (2019). Responding to risky neighbors : testing for spatial spillover effects for defensible space in a fire-prone WUI community. doi.org. https://doi.org/10.1007/s10640-018-0286-0

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held for human review18 Oct 2026
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