Extreme Wildfires
Fire seasons are lengthening and burning places that historically did not burn.
Severity score
66.7
Critical · default weighting
Trajectory
Worsening
What this is
Warming, drought and land management failures have produced record fire seasons across Canada, Australia, the Mediterranean and Siberia. Smoke exposure causes far more deaths than the flames, reaching populations thousands of kilometres away, and burned boreal forest releases stored carbon.
Score breakdown
Loss of life
60Direct and attributable mortality, normalised across annual and cumulative tolls.
Lives negatively impacted
72People displaced, injured, food-insecure, exposed or otherwise materially harmed.
Financial cost
58Direct damage, lost output and health-system spend attributable to the event.
Environmental impact
74Emissions, habitat and biodiversity loss, contamination and irreversibility.
Trajectory
80Whether the situation is escalating, and how much worse it is plausibly getting.