The forest speaks many languages. The wind rustling in the leaves, the birds singing in the treetops, the sound of water weaving through the soil. These are not just sounds, but a language of interconnectedness. In silent listening, we understand that life does not exist in isolation; it flourishes in relationships. On 22 May 2025, on the International Day for Biological Diversity, under the theme "Harmony with nature and sustainable development," We are reminded of what our ancestors once knew. We belong to the Earth, not the other way around. The health of a forest, a wetland, or a coral reef is inseparable from our own well-being.

Living in harmony with nature is not just a poetic idea – it is a practical necessity. Every breath, every meal, every sip of water is made possible by biodiversity. These countless forms of life – from microscopic fungi that penetrate the soil to the great elephants that shape the savannahs – form a network that supports human life. They are not just backdrops, they are our relatives.

We often talk about development as something separate from nature, as if progress must come at the expense of wilderness. But this is a false choice. Biodiversity is not a barrier to development; it is its very foundationConsider the Sustainable Development Goals (SDGs) set by the United Nations – zero hunger (SDG 2), good health and well-being (SDG 3), clean water (SDG 6), climate action (SDG 13). None of these goals are achievable without a thriving diversity of life.

Food safety (SDG 2), for example, is not just about plantations and crops. It is about the pollinators that fertilize our orchards, the wild plants that have the genetic traits essential to the resilience of plantations, and the rich tapestry of soil organisms that keep our soil fertile. Every time a species disappears, we lose a unique strand in that tapestry – an ingredient that may one day heal or feed us.

Clean water (SDG 6) – the essence of life – depends on ecosystems to filter, store and regulate it. Forests capture rainfall and recharge groundwater; wetlands clean runoff and mitigate floods. Yet around the world, we are draining, paving and poisoning these systems. When we degrade watersheds, we are severing the veins that carry life. SDG 6 for clean water can only be achieved if we protect biodiversity in these countries.

And then there is health (SDG 3). More than half of modern medicines are derived from plants, fungi and animals. Aspirin from willow bark, cancer drugs from Madagascar periwinkle. These are gifts from wild relatives, not synthetic wonders. We often admire technological breakthroughs, but we forget that biotechnology itself stands on the shoulders of billions of years of evolutionary research. Every lost species may contain a compound that could save lives or open up the next medical revolution. As EO Wilson warned: "The loss of biodiversity is the stupidity that our descendants are least likely to forgive us for.".

Climate change (SDG 13) are also deeply connected to biodiversity. Forests are among our greatest allies in the fight against global warming – they sequester carbon, regulate rainfall and stabilise temperatures. Healthy ecosystems act as buffers against floods, droughts and storms. But these systems must be intact to function; broken landscapes cannot protect us. Climate action (SDG 13) and life on land (SDG 15) are linked by this truth: resilience lies in wealth.

So how do we move from destruction to restoration? How do we create space for wilderness while also providing food and shelter? One answer lies in rethinking our relationship with the land. In Hosachiguru, a collective of Earth stewards working across South India, this vision is literally rooted in the soil. Their managed farm land (managed farmlands) are designed not only for food production, but also for ecosystem regeneration. Here the principles permaculture and agroforestry (permaculture and agroforestry) shape a landscape where trees and crops grow in harmony, where birdsong returns and the Earth heals.

They are building bird habitats – perches for raptors, feeders for seed-eating birds, and nesting boxes for insectivorous songbirds. These birds help to naturally control pests, reducing the need for harmful chemicals. Their farms also combat invasive species and protect native flora and fauna planting native and heirloom varieties, that attract local pollinators and maintain genetic diversity. This makes agriculture an ally of conservation, not an adversary. Water management is considered sacred. By using slopes, ditches and buffer zones along rivers (swales, trenches, and riparian buffers) ensure that Hosachiguru makes every drop of rain count – soaking into the soil, replenishing groundwater, and sustaining life.

Their practice of regenerative agroforestry creates layered landscapes rich in plant and animal life. Spiral gardens, ponds with habitats and hedges (Spiraling gardens, habitat ponds, and hedgerows) become havens for bees, butterflies, dragonflies—and for wonder. But perhaps the most important restoration is soil restoration. Healthy soil teems with life: bacteria, fungi, earthworms, nematodes—all working together to cycle nutrients and store carbon. Hosachiguru supports this hidden realm no-till farming, composting and mulching (no-till farming, composting, and mulching). In doing so, they create the conditions for biodiversity to thrive from the ground up.

None of this happens in isolation. People are part of the ecosystem, not separate from it. When local communities benefit economically from thriving biodiversity – through sustainable harvesting, ecotourism, or payments for ecosystem services – they become its greatest protectors. Development aligned with conservation becomes not only possible, but powerful.

We often ask: What can I do? The answer lies not just in grand gestures, but in everyday decisions to restore, protect, and listen. Teaching our children the names of birds. Letting a piece of our garden grow wild. Demanding policies that honor the living Earth. Because every species is a story. Every habitat is a library. And when we lose them, we lose not only beauty, but also knowledge, medicine, stability—and possibilities. As Robin Wall Kimmerer reminds us: "To be the indigenous people of a place, we must learn to speak its language.". And the language of the Earth is biodiversity – complex, interconnected, sacred. Let us learn to speak it again. Sustaining biodiversity means sustaining life for us all. Spring

Glossary of key terms

• Biodiversity: The diversity of life in all its forms and at all levels, from genes to species to ecosystems.
• Sustainable Development: Development that meets the needs of the present without compromising the ability of future generations to meet their own needs.
• Sustainable Development Goals (SDGs): The 17 goals adopted by the UN in 2015 as a universal call to end poverty, protect the planet, and ensure peace and prosperity for all by 2030.
• Food Security: A state in which all people, at all times, have physical and economic access to sufficient, safe and nutritious food that meets their dietary preferences and needs for an active and healthy life.
• Ecosystems: The community of living organisms (plants, animals, and microbes) in a particular area, together with the nonliving components of their environment (e.g., soil, water, air) and their interactions.
• Permaculture: A system for designing sustainable human settlements and agricultural systems by mimicking natural ecosystems.
• Agroforestry (Agroforestry): A land use system where trees or shrubs are intentionally combined with crops or animals on the same plot of land, either in spatial arrangement or in temporal sequence.
• Regenerative Agriculture: A conservation and rehabilitation approach to land management that focuses on restoring soil health, biodiversity, and the hydrological cycle.
• Swales: Water management features, usually shallow ditches traced by a ridge, designed to capture and infuse water into the soil.
• Riparian Buffers: Vegetation belts along rivers, streams, lakes, and other bodies of water that help filter pollution, stabilize banks, and provide habitat.
• No-till farming: An agricultural technique in which crops are grown by leaving the remains of the previous harvest in the field without plowing the soil.
• Composting: The process of controlled biological decomposition of organic materials into stable humus-like material.
• Mulching: The process of covering soil with organic or inorganic material to improve soil health, conserve moisture, and suppress weeds.