Why Utilitarian Arguments for Biodiversity Preservation Ultimately Fail
We need to accept that to preserve the functioning biosphere, and to have any chance to slowing and reversing climate change, we need to reverse growth in every country.
Arguments for preserving biodiversity that rest on human utility — “biodiversity is valuable because it provides ecosystem services, supports the economy, supplies medicines, pollinates crops, or contributes to human well-being” — are widespread in government policy, media, and even many environmental organisations, as well as the UN. Yet these arguments are inherently conflicted and ultimately self-defeating. They fail because humans demonstrably benefit from the destruction of biodiversity at least as much as (and often more immediately than) from its preservation. This creates an irreconcilable tension that can only be resolved by moving beyond anthropocentric utility to an intrinsic-rights framework grounded in planetary overshoot and the independent existence of the biosphere.
The Conflict at the Heart of Utilitarian Arguments
Humans do benefit from biodiversity. Healthy ecosystems provide clean water, clean air, soil fertility, pollination, carbon sequestration, more regular rainfall, and potential future pharmaceuticals. These services have real economic value. However, humans also benefit enormously from the rapid destruction of biodiversity. Habitat clearing creates space for housing, agriculture, mining, roads, and renewable energy infrastructure; economic growth. Logging supplies timber and paper. The wildlife trade and conversion of forests to farmland generate immediate revenue and food. Mining for critical minerals fuels the “green” transition. In every case, the short-term, tangible gains from destruction are immediate and politically compelling, while the benefits of preservation are diffuse, long-term, and often intangible to the average voter or policymaker.
This creates a built-in conflict: whenever a choice must be made between preserving a patch of forest and converting it to housing, farmland, a wind farm, or a mine, the anthropocentric calculus almost always favours destruction. The need for shelter, food, jobs, and economic growth is immediate and visible. The need for intact biodiversity is abstract and deferred. As a result, utilitarian arguments are selectively applied — they are invoked when convenient but quietly abandoned when they conflict with human expansion.
The Anthropocentric Prioritisation of Short-Term Needs
Modern societies operate under an anthropocentric worldview that places human needs and desires at the absolute centre. Population growth and economic growth are treated as non-negotiable imperatives. Housing, food production, infrastructure, and resource extraction are seen as essential for maintaining or improving quality of life. These needs are immediate, measurable, and politically urgent. In contrast, the services provided by intact ecosystems — genetic diversity, carbon sinks, non-carbon climate regulation (evapotranspiration, albedo, atmospheric mixing, rainfall recycling), and the existence of millions of non-human species — are long-term, diffuse, and less directly experienced by most people.
Because of this imbalance, arguments framed around “how biodiversity benefits humans” are structurally weak. When push comes to shove, the tangible, short-term benefits of habitat destruction almost always win. This is why, despite decades of rhetoric about ecosystem services, global biodiversity continues to decline at accelerating rates. The utilitarian approach cannot overcome the fundamental priority given to immediate human demands.
The Deeper Problem: Endless Growth and Overshoot
The utilitarian argument fails even more fundamentally because it operates within the paradigm of endless economic and population growth. This growth model is the primary driver of habitat destruction worldwide. As human numbers and per-capita consumption increase, so does the demand for land, resources, and energy. Biodiversity is commodified — turned into timber, farmland, minerals, or carbon credits — rather than protected for its own sake.
In this context, even well-intentioned utilitarian arguments become tools that legitimise continued expansion. They allow policymakers and corporations to claim they are “balancing” development with conservation through offsets, “nature-positive” planning, or “smart siting” of renewables, while the underlying drivers of overshoot remain unchallenged. Any “balance” between the preservation and destruction of biodiversity and ecosystems always yields unsustainable and unacceptable net destruction; this is managed decline disguised as progress.
The Only Coherent Alternative: Intrinsic Rights and Rejection of Commodification
The only logically consistent and ethically defensible approach to biodiversity preservation is to acknowledge the intrinsic rights of the biosphere, ecosystems, and non-human species to exist independently of human utility. This requires rejecting the commodification of nature — whether through logging, the wildlife trade, agricultural conversion, mining, or the land-intensive rollout of renewables.
Such a rights-based framework directly addresses overshoot. It recognises that endless growth is fundamentally incompatible with biosphere integrity. It prioritises the protection and restoration of carbon sinks and intact ecosystems not merely because they sequester CO₂, but because they are essential components of a living planet that has value beyond human needs. Only by halting further habitat destruction and fragmentation can we genuinely protect carbon sinks, maintain non-carbon climate regulation, and give future generations any realistic chance of stabilising the climate.
The Futility of GDP-Tied Conservation Policies
Furthermore, many conservation and environmental policies that allocate a specified proportion of GDP to biodiversity protection serve primarily as greenwashing exercises. The funds are overwhelmingly directed toward bureaucracy, scientific studies aimed at determining what can be sacrificed next or with the least perceived long-term harm, and incremental regulatory tweaks, rather than even the direct purchase and permanent protection of high-value habitats. This approach merely slows the rate of biodiversity decline rather than stopping or reversing it. By tethering conservation funding to GDP growth — the very force driving habitat destruction — such policies create a perverse incentive: continued economic expansion is justified as the means to generate the revenue supposedly needed to “save” biodiversity. This is a fool’s errand that ensures the long-term failure of conservation efforts.
Conclusion
Arguments for preserving biodiversity that rest on human utility are conflicted from the outset. They fail because humans gain immediate, tangible benefits from destroying biodiversity to meet short-term needs for housing, food, infrastructure, and economic growth. These needs are always prioritised over the more intangible, long-term benefits of intact ecosystems. The utilitarian approach ultimately serves to legitimise continued and worsening overshoot rather than challenge it.
The only way forward is to acknowledge that the endless growth paradigm is destroying the biosphere and climate, and that true preservation and rewilding requires recognising the intrinsic rights of nature. Only then can we protect carbon sinks, maintain non-carbon climate regulation, and address the root causes of both the biodiversity and climate crises. Anything less is not preservation — it is managed decline dressed up as progress.