Invasive species cost the world $423 billion every year and are causing environmental chaos, UN report finds
By Helen Regan, CNN (CNN) — Invasive species cost the world at least $423 billion every year as they drive plant and animal extinctions, threaten food security and exacerbate environmental catastrophes across the globe, a major new United Nations-backed report has found. Human activity – often through travel or global trade – is spreading these
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