Countless species are dying from human-induced environmental change. Should we use genetic technology to alter and save them?

Rewriting Evolution: Should We Edit Nature to Save It? Imagine a world where the boundaries between species blur, not just in ancient myth or art, but in the living creatures around us. Throughout history, humans have imagined and even created chimeras—beings that combine traits from different animals, like the ancient Lion-Man sculpture carved from mammoth ivory. But today, the chimeras are real in a new sense: climate change, pollution, and the spread of invasive species are pushing countless plants and animals to adapt to a world remade by us, often leaving them struggling to survive. As the pace of environmental change outstrips the natural capacity of many species to adapt, a profound dilemma emerges: Should we use our burgeoning genetic technologies to deliberately alter and rescue them? Tools like CRISPR now allow us to edit genes with extraordinary precision, opening doors to possibilities once confined to science fiction. Scientists dream of reviving extinct creatures, engineering crops to survive drought, or programming microbes to eat plastic. Perhaps, with assisted evolution, we could even prevent the collapse of vital coral reefs. But this power is double-edged. The technical hurdles are huge, as every creature is shaped not just by its DNA but by a web of relationships within its ecosystem. Even more daunting are the ethical questions: Who decides which species to save and how? Are we overstepping, playing God with the fabric of life? And yet, can we really step back, when our influence is already etched into every corner of the biosphere and nearly 50,000 species teeter on the brink of extinction? Nature is transformation, but the scale and speed of our impact may demand help that only we can give. Still, any intervention must be approached not simply as a technological fix, but as a transformation of our own mindset—one that acknowledges our deep entanglement with the rest of life. Indigenous perspectives, like those of the Yirrganydji in Australia and the Māori of New Zealand, offer vital lessons. Their approaches are rooted in relationships—between people, species, and land—and guided by principles like whakapapa, which sees all living things as connected through lineage and ecological roles. These worldviews remind us that even the most advanced genetic interventions must be measured by whether they deepen or diminish our ties with other beings. For instance, supporting coral reefs through selective breeding or gene editing could save entire ecosystems, while editing livestock simply to maintain unsustainable consumption might only perpetuate imbalance. The story of the kauri tree and the whale in Māori tradition, and the discovery that whale-derived remedies could heal diseased trees, beautifully illustrates how ancient knowledge and modern science can converge. Ultimately, the question is not just whether we should intervene, but how. Can we wield these technologies with humility, wisdom, and respect for the intricate tapestry of life? Rather than casting ourselves as masters or gods, perhaps we must see ourselves as partners, woven into the same living fabric as the species we might seek to save. The challenge is to ensure that every intervention draws us closer to, rather than further from, the world that sustains us.