Ten quintillion reasons to pay attention

Published on March 31, 2026

In her compelling new book, Geetha Iyer challenges the predominant mammal-centric perspective that often dominates our understanding of nature. With a staggering ten quintillion insects living on Earth, Iyer seeks to illuminate the intricate and vital roles these tiny creatures play in the health of our ecosystems.

Insects, often dismissed as nuisances or mere fodder for larger animals, are revealed in Iyer’s work as complex beings with diverse behaviors, social structures, and survival strategies. From pollination to decomposition, they are foundational to various ecological processes that sustain life on the planet. Yet, despite their importance, many people remain indifferent to their existence and the challenges they face.

Iyer’s book meticulously documents the astonishing biodiversity of the insect kingdom, highlighting species ranging from the industrious ants that cultivate fungi to the eloquent dance of fireflies during mating rituals. Each chapter serves as a deep dive into the lives of these creatures, underscoring their extraordinary adaptations and the interdependence they maintain with other forms of wildlife.

The author also addresses the alarming decline of insect populations worldwide, attributed to habitat destruction, climate change, and pesticide use. As a growing body of research underscores the critical decline in species, Iyer warns that our ignorance and disinterest could lead to irreversible consequences not just for insects but for humanity as well. The extinction of even a single species can trigger a cascade of effects, ultimately destabilizing food systems and ecological balance.

Throughout the book, Iyer presents a forceful argument for a shift in how we perceive and interact with insects. She encourages readers to cultivate a sense of wonder and appreciation for these fascinating creatures, advocating for more inclusive conservation efforts that encompass all forms of life. and understanding, Iyer believes we can inspire a cultural shift towards protecting insect habitats and embracing sustainable practices.

“Ten quintillion reasons to pay attention” serves not only as an exploration of the insect world but as a call to action. It asks us to reconsider our place in the natural order and to recognize the interconnectedness of all species. As Iyer eloquently articulates, our future may very well depend on our ability to see beyond our mammalian lens and appreciate the complexity that exists within the ecosystem’s smallest members.

In a world facing unprecedented environmental challenges, Iyer’s insights are a critical reminder that even the tiniest creatures have a monumental impact on the health of our planet. With this new book, she provides a powerful lens through which to view our relationship with nature, and the urgent need to protect it.

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