Species are the building blocks of ecosystems. As predators, prey, pollinators, seed dispersers, and habitat engineers, they shape ecological processes and uphold the delicate balance of nature. Together, they ensure the health, stability and resilience of the natural systems that sustain life on Earth. When these building blocks begin to collapse, through the decline or extinction of species, entire ecosystems can unravel, triggering cascading effects on biodiversity, human well-being, and global environmental health.
Today, these building blocks are under threat. Habitat destruction, climate change, pollution, invasive species, overexploitation, and illegal wildlife trade are accelerating biodiversity loss at an alarming rate. As ecosystems degrade, their ability to provide essential services such as carbon storage, water purification, and food security weakens. Urgent, targeted conservation efforts are needed to safeguard species and preserve the structural integrity of the ecosystems they support.
In response to this challenge, the Fondation Segré Conservation Action Fund directed its resources where they could make the greatest difference: towards the world’s most threatened species, those listed as Vulnerable (VU), Endangered (EN), or Critically Endangered (CR) on the IUCN Red List.
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