Invasive Species
Invasive alien species are a global environmental and economic threat that damages biodiversity, agriculture, infrastructure, and human well-being. The supplied evidence indicates very large and rising costs, including an estimated $423 billion annually worldwide.
Severity score
66.9
Critical · default weighting
Trajectory
Steady
What this is
Score breakdown
Each factor is a 0–100 relative severity index, not the raw figure or a specific time period. The actual counts and periods are listed under "Standardized Impact" on the right.
Loss of life
32Direct and attributable mortality, normalised across annual and cumulative tolls.
Lives negatively impacted
72People displaced, injured, food-insecure, exposed or otherwise materially harmed.
Financial cost
88Direct damage, lost output and health-system spend attributable to the event.
Environmental impact
90Emissions, habitat and biodiversity loss, contamination and irreversibility.
Trajectory
82Whether the situation is escalating, and how much worse it is plausibly getting.
Audit trail
Everything this entry has been through — when it was first searched for, queued, reviewed and approved, and how its figures and rank have moved since.
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