GENEVA, Switzerland — The International Union for Conservation of Nature (IUCN) released its latest Red List update today, revealing a grim milestone: more than 28% of all assessed species are now classified as threatened with extinction. The comprehensive assessment, coinciding with the COP30 climate summit in Brazil, underscores how habitat destruction, climate change, overexploitation, and invasive species are driving declines across terrestrial, marine, and freshwater ecosystems worldwide.
Of the over 163,000 species evaluated to date, approximately 46,000 are listed as Vulnerable, Endangered, or Critically Endangered—a sharp increase from previous years. Amphibians remain the most imperiled group, with 41% threatened, followed closely by reptiles and mammals. Plants and invertebrates, often underassessed, show alarming trends in newly evaluated taxa.
The Amazon rainforest’s ongoing collapse features prominently in the update, with dozens of species newly listed or uplisted due to dieback, fires, and deforestation. Flagship animals like the jaguar and hyacinth macaw are edging closer to higher threat categories as habitats fragment and vanish.
Fires exacerbated by climate stress are devastating ecosystems beyond the tropics, impacting biodiversity in boreal forests, wetlands, and coral reefs. “We’re losing species at a rate unprecedented in human history,” said Dr. Jane Smart, head of IUCN’s Biodiversity Assessment Unit. “The Amazon tipping point is accelerating extinctions here and sending ripple effects globally through disrupted climate regulation.”
Conservation successes offer faint hope—targeted efforts have downgraded some species’ status—but experts warn that without drastic reductions in emissions and habitat protection, the sixth mass extinction will intensify. As world leaders negotiate in Belém, the Red List serves as a urgent wake-up call: biodiversity loss is not abstract—it’s the unraveling of the web of life that sustains humanity.