---
title: "Climate change doubled Canada wildfire risk in 2026, study finds"
publication: "MediaBias News"
url: "https://mediabias.news/climate/climate-change-doubled-canada-wildfire-risk-in-2026-study-finds"
api: "https://mediabias.news/api/v1/stories/climate-change-doubled-canada-wildfire-risk-in-2026-study-finds"
markdown: "https://mediabias.news/climate/climate-change-doubled-canada-wildfire-risk-in-2026-study-finds.md"
audio: "https://mediabias.news/api/audio/climate-change-doubled-canada-wildfire-risk-in-2026-study-finds"
category: "Climate"
published: "2026-08-06T08:05:48.199Z"
source_reported: "2026-08-06T06:38:41.000Z"
updated: "2026-08-06T09:15:30.076Z"
trust_score: 86
critic_score: 95
hype_score: 30
assessment_type: "coverage-and-source-reporting-analysis"
fact_check_status: "not-performed"
coverage_measured: "2026-08-06T09:15:27.043419+00:00"
---

# Climate change doubled Canada wildfire risk in 2026, study finds

*World Weather Attribution report links extreme fire conditions to human activity as U.S. president blames forest management*

**Scores for the source reporting** (0-100, assessing the original journalism this article was written from, not this write-up): 

- Trust 86 of 100, higher is better. Trust high (86) due to named scientists, study document, and multiple independent outlets citing the World Weather Attribution report.
- Craft 95 of 100, higher is better. Critic score 95; article explains significance, includes quotes, specific data, and outlines future risk.
- Hype 30 of 100, lower is better. Hype low (30); language is factual with minimal sensational framing.

Scored by MediaBias News; method at https://mediabias.news/methodology.

**The short version**

- The World Weather Attribution study concluded human-caused climate change doubled the likelihood of extreme fire conditions in Canada in 2026, with over 3.8 million hectares burned.
- Without climate change, such extreme fire events would occur once every 40 years, but are now expected every 2 to 15 years in affected regions.
- U.S. President Donald Trump blamed Canada’s forest management for the fires, while scientists attributed the conditions to global warming and historical emissions.
- The study focused on Ontario and the Northwest Territories, where fire conditions were roughly twice as likely due to climate change.

A study published on 6 August 2026 by World Weather Attribution found that human-caused climate change doubled the likelihood of extreme fire conditions in Canada. The research, which has not yet been peer-reviewed, examined weather patterns linked to wildfires in Ontario and the Northwest Territories. It concluded that such conditions would have occurred once every 40 years in a pre-industrial climate but are now expected every 2 to 15 years.

Over 3.8 million hectares of land burned in Canada by August 2026, an area comparable to the size of Switzerland. The fires displaced thousands of residents and exposed millions to hazardous smoke, which spread across parts of the U.S. and Canada. The study attributed the increased fire risk to higher temperatures, prolonged drought, and drier vegetation, all linked to global warming.

U.S. President Donald Trump blamed Canada’s forest management for the fires, stating on 21 July 2026 that poor practices contributed to the spread of flames. He suggested punitive measures against Canada, though no details were provided. Canadian scientists and the study’s authors countered that climate change, driven by historical emissions, was the primary factor behind the extreme conditions.

## Disagreement over the cause of the fires

The World Weather Attribution study, as reported by Digi24 and the Associated Press, found that climate change doubled the likelihood of fire conditions in Ontario and the Northwest Territories. The study compared current conditions to a hypothetical world without 1.4°C of warming since the pre-industrial era. Associated Press quoted study co-author Jonathan Boucher, who stated that climate change, not forest management, was the root problem.

Trump’s remarks, carried by outlets including Santa Maria Times and Independent Español, framed the fires as a result of Canadian mismanagement. Associated Press reported that scientists, including University of Victoria climate scientist Andrew Weaver, attributed the conditions to historical U.S. emissions, noting that smoke does not carry a passport but carbon pollution does.

## What the coverage left out

None of the right-rated digests mentioned U.S. President Donald Trump’s comments blaming Canada for the fires. The centre-rated digests, while reporting the study’s findings, did not quote scientists rebutting Trump’s claims. The left-rated digests were the only ones to include direct criticism of Trump’s remarks, with the Associated Press report carrying the most detail.

Digi24’s full report was the only one to describe the feedback loop between wildfires and climate change, noting that fires release carbon dioxide, which accelerates warming. This detail was absent from all digests, including those rated left and centre.

## Who covered it

Shares of the 35 covering outlets with a published leaning rating:

- Left: 57% (20)
- Centre: 37% (13)
- Right: 6% (2)

2 of 37 covering outlets carried no usable leaning rating and were excluded from those percentages. Coverage measured 2026-08-06T09:15:27.043419+00:00.

**Coverage watch:** developing. Checked 3 times; 1 check found a material change. Most recently checked 2026-08-06T09:30:51.686Z.

## How the sides framed it

### Left

- The left-rated digests led on the study’s findings linking climate change to the fires. Twelve of the 18 left-rated digests mentioned the doubling of fire risk due to human activity. The Associated Press’s full report quoted scientists who directly rebutted Trump’s claims, including study co-author Friederike Otto, who said stopping fossil fuel use was necessary to mitigate such impacts. The left-rated digests also highlighted the role of historical emissions from the U.S. in contributing to global warming.
- The Boston Globe, The Toronto Star, and other left-rated outlets carried the study’s conclusion that fire conditions in Ontario and the Northwest Territories were twice as likely due to climate change. The Associated Press report included a quote from fire scientist Mike Flannigan, who described the fires as a consequence of a climate on "amphetamines." None of the left-rated digests omitted the study’s attribution of the fires to climate change.

### Centre

- The centre-rated digests focused on the study’s findings without emphasising political responses. All 12 centre-rated digests reported that climate change doubled the likelihood of extreme fire conditions. Digi24’s full report detailed the study’s methodology, including its comparison of current conditions to a pre-industrial climate. The report quoted study coordinator Theodore Keeping, who warned that current protection measures were insufficient.
- Outlets such as Santa Maria Times and Newsday included Trump’s remarks but did not lead with them. The centre-rated digests consistently reported the 3.8 million hectares burned and the study’s attribution of the fires to climate change. None omitted the study’s core findings, though some, like Battlefords NOW, focused narrowly on the regional impact in Ontario and the Northwest Territories.

### Right

- The two right-rated digests, from Free Malaysia Today and The Straits Times, led with the study’s conclusion that climate change doubled the likelihood of the fires. Neither digest mentioned Trump’s remarks or the political dispute over responsibility. Free Malaysia Today’s digest noted that such extreme fire conditions would occur once every 40 years without human-caused warming. The Straits Times included the 3.8 million hectares burned but did not address forest management or emissions.

**Provisional coverage gap:** right. The watch is not closed, so this is not yet a settled blindspot finding.

## Factuality profile of the covering outlets

These are published factuality ratings of the outlets, not a verdict on whether this story or its claims are true.

- mixed: 1
- high: 23
- unknown: 3
- veryHigh: 10

## Verification scope

This page compares coverage and scores the source reporting. It is not a ClaimReview verdict on whether the underlying event or claim is true.

## Original reporting this was written from

- [CBC News](https://cbc.ca/news/science/wwa-study-climate-change-wildfires-9.7297131) — Climate change made Canadian wildfires in N.W.T. and Ontario roughly twice as likely, analysis finds
- [Radio-Canada](https://ici.radio-canada.ca/nouvelle/2273742/incendies-forets-tno-ontario-etude-changement-climatique-environnement) — The Probability of Forest Fires Doubled in Ontario
- [Digi 24](https://digi24.ro/stiri/schimbarile-climatice-au-dublat-riscul-incendiilor-forestiere-extreme-din-canada-studiu-3895157) — Climate Change Has Doubled the Risk of Extreme Forest Fires in Canada (Study)
- [Free Malaysia Today News](https://freemalaysiatoday.com/category/world/2026/08/06/study-shows-climate-change-made-canadian-wildfires-twice-as-likely) — Study shows climate change made Canadian wildfires twice as likely
- [Santa Maria Times](https://santamariatimes.com/ap/national/trump-culpa-a-canad-de-los-incendios-forestales-pero-expertos-apuntan-al-calentamiento-global/article_dfa06282-ca8a-5b35-bc41-96b6e536a844.html) — Trump Blames Canada for Forest Fires, But Experts Aim for Global Warming
- [Independent Español](https://independentespanol.com/noticias/mundo/europa/trump-culpa-a-canada-de-los-incendios-forestales-pero-expertos-apuntan-al-calentamiento-global-b3028369.html) — Trump Blames Canada for Forest Fires, But Experts Aim for Global Warming
- [The Straits Times](https://straitstimes.com/world/climate-change-made-canadian-wildfires-twice-as-likely-study) — Climate change made Canadian wildfires twice as likely: Study
- [Boston Globe](https://bostonglobe.com/2026/08/06/world/canada-wildfires-study) — Climate change contributed to big Canada fires, study says as Trump blames mismanagement - The Boston Globe
- [The Toronto Star](https://thestar.com/business/climate-change-made-ontario-nwt-fire-conditions-roughly-twice-as-likely-report/article_136912b4-9c9d-582f-b295-d5f3236b25f2.html) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [Rocky Mountain Outlook](https://rmoutlook.com/national-business/climate-change-made-ontario-nwt-fire-conditions-roughly-twice-as-likely-report-12633689) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [SooToday.com](https://sootoday.com/national-news/climate-change-made-ontario-nwt-fire-conditions-roughly-twice-as-likely-report-12633687) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [Orillia Matters](https://orilliamatters.com/national-news/climate-change-made-ontario-nwt-fire-conditions-roughly-twice-as-likely-report-12633687) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [Battlefords NOW](https://battlefordsnow.com/2026/08/05/climate-change-made-ontario-n-w-t-fire-conditions-roughly-twice-as-likely-report) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [meadowlakeNOW](https://meadowlakenow.com/2026/08/05/climate-change-made-ontario-n-w-t-fire-conditions-roughly-twice-as-likely-report) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [Bowen Island Undercurrent](https://bowenislandundercurrent.com/national-news/climate-change-made-ontario-nwt-fire-conditions-roughly-twice-as-likely-report-12633688) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [Sudbury](https://sudbury.com/national/climate-change-made-ontario-nwt-fire-conditions-roughly-twice-as-likely-report-12633687) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [Bay Today](https://baytoday.ca/national-news/climate-change-made-ontario-nwt-fire-conditions-roughly-twice-as-likely-report-12633687) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [Guelph Today](https://guelphtoday.com/national-news/climate-change-made-ontario-nwt-fire-conditions-roughly-twice-as-likely-report-12633687) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [InnisfilToday.ca](https://innisfiltoday.ca/national-news/climate-change-made-ontario-nwt-fire-conditions-roughly-twice-as-likely-report-12633687) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [Medicine Hat News](https://medicinehatnews.com/news/national-news/2026/08/05/climate-change-made-ontario-n-w-t-fire-conditions-roughly-twice-as-likely-report) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [Ckpg Today](https://ckpgtoday.ca/2026/08/05/climate-change-made-ontario-n-w-t-fire-conditions-roughly-twice-as-likely-report) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [burlingtontoday.com](https://burlingtontoday.com/national-news/climate-change-made-ontario-nwt-fire-conditions-roughly-twice-as-likely-report-12633687) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [haltonhillstoday.ca](https://haltonhillstoday.ca/national-news/climate-change-made-ontario-nwt-fire-conditions-roughly-twice-as-likely-report-12633687) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [WBAL](https://wbal.com/climate-change-contributed-to-big-canada-fires-study-says-as-trump-blames-mismanagement) — Climate change contributed to big Canada fires, study says as Trump bl
- [Newsday](https://newsday.com/news/nation/canada-wildfires-trump-climate-change-mismanagement-t24200) — Climate change contributed to big Canada fires, study says as Trump blames mismanagement
- [The Seattle Times](https://seattletimes.com/seattle-news/science/climate-change-contributed-to-big-canada-fires-study-says-as-trump-blames-mismanagement) — Climate change contributed to big Canada fires, study says as Trump blames mismanagement
- [The Independent](https://independent.co.uk/news/world/europe/canada-donald-trump-ontario-france-spanish-b3028361.html) — Climate change contributed to big Canada fires, study says as Trump blames mismanagement
- [Rutland Herald](https://rutlandherald.com/ap/national/climate-change-contributed-to-big-canada-fires-study-says-as-trump-blames-mismanagement/article_dfa5709a-9a9a-585f-9272-88aeede35e2e.html) — Climate change contributed to big Canada fires, study says as Trump blames mismanagement
- [Henry Herald](https://henryherald.com/news/world_nation/climate-change-contributed-to-big-canada-fires-study-says-as-trump-blames-mismanagement/article_4eefde80-2e69-5319-9e00-ffcb60efbc24.html) — Climate change contributed to big Canada fires, study says as Trump blames mismanagement
- [pmg-ky3.com](https://pmg-ky3.com/ap/ap_news/climate-change-contributed-to-big-canada-fires-study-says-as-trump-blames-mismanagement/article_039438fe-ed16-5d53-9fa2-e5c2629b8c4c.html) — Climate change contributed to big Canada fires, study says as Trump blames mismanagement
- [WHNT 19 News](https://whnt.com/science/ap-science/ap-climate-change-contributed-to-big-canada-fires-study-says-as-trump-blames-mismanagement) — Climate change contributed to big Canada fires, study says as Trump blames mismanagement
- [Associated Press News](https://apnews.com/article/canada-wildfires-trump-climate-change-mismanagement-99389ce431e3f4c8821218e2134d6ada) — Climate change contributed to big Canada fires, study says as Trump blames mismanagement
- [WKMG](https://clickorlando.com/tech/2026/08/06/climate-change-contributed-to-big-canada-fires-study-says-as-trump-blames-mismanagement) — Climate change contributed to big Canada fires, study says as Trump blames mismanagement
- [St Catharines Standard](https://stcatharinesstandard.ca/life/climate-change-contributed-to-big-canada-fires-study-says-as-trump-blames-mismanagement/article_4542a01d-a96e-55d1-ad04-eec1e456b3d2.html) — Climate change contributed to big Canada fires, study says as Trump blames mismanagement
- [The Hamilton Spectator](https://thespec.com/business/climate-change-made-ontario-nwt-fire-conditions-roughly-twice-as-likely-report/article_1e4ff489-bcf4-52d8-8875-dcc3362c4ea8.html) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [The Record](https://therecord.com/business/climate-change-made-ontario-nwt-fire-conditions-roughly-twice-as-likely-report/article_78a1c452-8203-57d3-8857-f5bca9a3a56f.html) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report
- [Winnipeg Free Press](https://winnipegfreepress.com/arts-and-life/life/greenpage/2026/08/05/climate-change-made-ontario-n-w-t-fire-conditions-roughly-twice-as-likely-report) — Climate change made Ontario, N.W.T. fire conditions roughly twice as likely: report

## Questions

**How did climate change affect the 2026 Canada wildfires?**

The World Weather Attribution study found that human-caused climate change doubled the likelihood of extreme fire conditions in Canada in 2026. Without climate change, such events would occur once every 40 years, but are now expected every 2 to 15 years in affected regions like Ontario and the Northwest Territories.

**What did U.S. President Donald Trump say about the fires?**

Donald Trump blamed Canada’s forest management for the wildfires, stating that poor practices contributed to their spread. He suggested punitive measures against Canada, though no details were provided. Scientists countered that climate change, driven by historical emissions, was the primary cause.

**How much land burned in the 2026 Canada wildfires?**

Over 3.8 million hectares of land burned in Canada by August 2026, an area comparable to the size of Switzerland. The fires displaced thousands of residents and exposed millions to hazardous smoke across parts of Canada and the U.S.

**Which outlets reported on the political dispute over the fires?**

Left-rated outlets, including the Associated Press and The Boston Globe, reported on the dispute, quoting scientists who rebutted Trump’s claims. Centre-rated outlets carried Trump’s remarks but did not emphasise them, while right-rated digests omitted them entirely.

---

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