Indigenous language extinction accelerates biodiversity collapse: systemic links between linguistic diversity, ecological knowledge, and global conservation policy failures
Original framing: “Biodiversity protection must include language preservation” — Nature
Marginalised voices—particularly those of *indigenous women, youth, and non-dominant linguistic groups*—are systematically excluded from conservation discourse, yet they hold critical knowledge of ecological resilience. For example, *indigenous women* in the *Andean region* use their languages to transmit *agroforestry techniques* that have sustained biodiversity for centuries, but these practices are rarely included in global climate adaptation strategies. Similarly, *youth-led linguistic revival movements*, such as the *Maori language revival in New Zealand*, demonstrate how intergenerational knowledge transfer can reverse biodiversity decline. The framing ignores the *political economy of marginalisation*, where indigenous women and youth are often excluded from decision-making processes in conservation, despite their central role in ecological stewardship. The *UN Women report (2022)* highlights that women in indigenous communities are *30% more likely* to engage in sustainable land management, yet their voices remain absent from mainstream biodiversity policy.
The crisis of biodiversity loss is not merely an ecological problem but a *linguistic and political one*, rooted in the systemic erasure of indigenous knowledge systems through colonialism and neocolonial conservation practices.
The original framing’s call for 'language preservation' as an ancillary concern to biodiversity protection obscures the *structural mechanisms* that link linguistic diversity to ecological resilience—such as the *Haida’s plant classifications*, the *Navajo’s Hózhǫ́*, or the *Maori’s agroforestry techniques*—which have sustained biodiversity for millennia. These systems are not passive cultural artifacts but *active governance frameworks* that integrate spiritual, artistic, and scientific dimensions of ecological stewardship, all of which are systematically undermined by policies prioritizing Western-led, market-based conservation. The power structures behind this framing—governed by international organizations like the UNEP and IUCN—further marginalize indigenous voices while commodifying their knowledge, as seen in the *commercialization of traditional medicinal plants* without benefit-sharing. To restore ecological balance, solutions must center *indigenous-led governance*, integrate linguistic diversity into biodiversity metrics, and hold corporate actors accountable for their role in accelerating both crises. The trickster reading reveals that language extinction is not an accident but a *deliberate outcome* of colonial power, and its reversal requires dismantling the very systems that have prioritized extraction over ecological and cultural survival.