Canada wildfires climate change analysis

STORYLINE · active

A study by World Weather Attribution attributes the increased likelihood of Canada's summer wildfires to human-caused climate change, pointing to the United States' historical fossil fuel emissions as a significant factor.

Climate change doubled odds of Canada fire weather, study finds

Human-caused climate change doubled the likelihood of the tinderbox weather conditions behind Canada's massive summer wildfires, according to a World Weather Attribution study released Thursday. Fire and climate scientists said President…

2026-08-06 · 4 MIN READ

Trump blames Canada for wildfire smoke, suggests tariffs

President Donald Trump blamed Canada for wildfire smoke that triggered air quality alerts across more than 20 U.S. states, saying on Truth Social that the U.S. had been "invaded" by "filthy, polluted, and unhealthy air" and later…

2026-07-22 · 3 MIN READ

Canada battles nearly 900 wildfires as Trump threatens tariffs over smoke

Nearly 900 active wildfires are burning across Canada, sending thick smoke into the United States and drawing criticism from President Trump.
Trump threatened steeper tariffs on Canada in a Truth Social post, alleging insufficient forest maintenance and calling the cross-border smoke "unacceptable."
Ontario Premier Doug Ford told critics to send help rather than complain, noting that Canada has repeatedly assisted the United States with past disasters.
Scientists say the scale and remote location of many fires make them impossible to fully suppress, especially when hundreds of blazes are competing for limited firefighting resources.
Climate change has lengthened and intensified Canada's fire seasons, while past fire suppression policies and insect damage have increased the amount of combustible material on the forest floor.

2026-07-17 · 3 MIN READ