Invasive Species Cost Trillions in Damages: Study
- An international team led by Ismael Soto published a May 26, 2025 UTC study in Nature Ecology & Evolution assessing costs of 162 invasive species globally.
- The study addressed limitations of past estimates, which covered few countries and underestimated economic impacts due to incomplete data and modelling.
- Researchers combined observed and modelled cost data across 78 previously unreported countries, finding plants caused the highest financial damage among species groups.
- The study found invasive species cost society over $2.2 trillion from 1960 to 2022, about 17 times higher than former estimates, averaging $35 billion annually, with Soto stating the "magnitude was striking."
- The team noted their estimate likely underrepresents the full scale of the problem and suggested real costs could be even greater, highlighting urgent risks to economies and biodiversity.
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Invasive species cost trillions in damages: study
From river-clogging plants to disease-carrying insects, the direct economic cost of invasive species worldwide has averaged about $35 billion a year for decades, researchers said Monday.
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