Story perspectives

Human Warming Doubles Wildfire Risk, Trump Blames Canada

8/6/2026

Summary

Story summary

World Weather Attribution (WWA) rapid study released Thursday found human-driven warming doubled the chance of fire-weather that sparked the wildfires.
Researchers compared current conditions to a pre-industrial baseline lacking the 1.4 °C (2.5 °F) warming.
Co-author Jonathan Boucher said such events would have been rare before warming and now happen every six years.
U.S. President Donald Trump blamed Canada for poor forest management and threatened penalties over smoke, contradicting scientists.

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Story summary

World Weather Attribution (WWA) rapid study released Thursday found human-driven warming doubled the chance of fire-weather that sparked the wildfires.
Researchers compared current conditions to a pre-industrial baseline lacking the 1.4 °C (2.5 °F) warming.
Co-author Jonathan Boucher said such events would have been rare before warming and now happen every six years.
U.S. President Donald Trump blamed Canada for poor forest management and threatened penalties over smoke, contradicting scientists.