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the claim

Climate change has increased the area burned by wildfires in the western United States.

the verdict
SUPPORTED
the evidence backs this
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 climate change has increased the area burned by wildfires in the western United States?

Yes. A 2025 peer-reviewed attribution study estimates that anthropogenic climate change accounts for 33 to 82 percent of observed burned area across the western United States from 1992 to 2020. Other sources link warming and heatwaves to increased western fire activity, though several address fire weather or projections rather than observed burned area.

Verdict: SUPPORTED · 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
Climate change
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Climate change. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Climate_change

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More for · 6
Relationships between climate and macroscale area burned in the western United States
2013
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Abatzoglou, J. T. & Kolden, C. A. (2013). Relationships between climate and macroscale area burned in the western United States. doi.org. https://doi.org/10.1071/wf13019

Global Climate Change Impacts in the United States
2009
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Program, U. G. C. R. (2009). Global Climate Change Impacts in the United States. books.google.com. http://books.google.com/books?id=UCg7inA-HksC&dq=Climate+change+has+increased+the+area+burned+by+wildfires+in+the+western+United+States.&hl=&as_pt=BOOKS&source=gbs_api

Heatwaves enable wildfire activity in the western United States.
2026
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DA, K., JT, A., EL, W., C, Y., M, G., M, K., AP, T., & PE, E. (2026). Heatwaves enable wildfire activity in the western United States.. doi.org. https://doi.org/10.1126/sciadv.aea1277

Large role of anthropogenic climate change in driving smoke concentrations across the western United States from 1992 to 2020.
2025
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X, F., LJ, M., JO, K., M, K., Y, L., & T, L. (2025). Large role of anthropogenic climate change in driving smoke concentrations across the western United States from 1992 to 2020.. doi.org. https://doi.org/10.1073/pnas.2421903122

Wildfires and Climate Change - NASA Science
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Wildfires and Climate Change - NASA Science. (n.d.). science.nasa.gov. https://science.nasa.gov/earth/explore/wildfires-and-climate-change/

Climate Change and Rocky Mountain Ecosystems
2017
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Halofsky, J. & Peterson, D. L. (2017). Climate Change and Rocky Mountain Ecosystems. play.google.com. https://play.google.com/store/books/details?id=t4otDwAAQBAJ&source=gbs_api

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