Nature and Biodiversity

How can we integrate natural capital into policy?

Natural capital is the world's stocks of natural assets that provide essential contributions to human health, prosperity, and well-being.

Natural capital ... the world's stockpile of natural assets is fundamental to human prosperity and well-being. Image: Pexels/Ameruverse Digital Marketing Media

Lei Lei Song
Director, ADB Economic Analysis and Operational Support Division, Economic Research and Development Impact Department, Asian Development Bank
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Biodiversity Finance

  • Natural capital is the world's stocks of natural assets that provide essential contributions to human health, prosperity and well-being.
  • Integrating natural capital into policy can help to protect and restore natural resources, and reduce the risks of environmental degradation.
  • The demand for ecosystem goods and services has far exceeded the ability of nature to regenerate and maintain.
  • The loss of natural capital can have significant economic, social and environmental costs.

Many economists, and the policymakers they advise, have long taken nature for granted. Natural capital – the umbrella term for renewable and non-renewable resources, including minerals, soil, air, water, and all living things – is missing in most economic modeling and policy-making.

Yet nature provides goods and services that contribute directly or indirectly to a country’s economic output and human well-being. More critically, nature supports life. Forests, wetlands, rivers, lakes, coral reefs, and other ecosystems provide goods such as food, fuel, and clean water.

Nature also provides cultural services, such as recreation and spiritual values, as well as invisible, regulatory, and supporting services such as nutrient cycling, pollination, protection from natural hazards, and climate regulation.

The genetic diversity in the planet’s living organisms is a global public good, offering valuable future options for life in different circumstances. Humanity is part of nature and natural capital is essential and critical to us.

The role of nature -- of natural capital -- in keeping our societies healthy, safe, and prosperous, has been taken for granted. We tend to assume that nature and ecosystems are free – it costs nothing to destroy a forest, deplete water resources or pollute land and air. With no costs attached, our demands on nature have been ever growing, exponentially.


What is the World Economic Forum doing about nature?

When human demands for ecosystem goods and services are within what nature can regenerate and maintain on a sustainable basis, it might be alright to assume ecosystems are a constant that does not vary in economic models. However, after the industrial revolution 200 years ago, the demands humanity makes on nature have far exceeded the ability of nature to regenerate and maintain.

When the demand outstrips the supply, ecosystems can only meet that supply by deteriorating themselves. In the past two centuries, human society has accumulated a huge wealth of produced capital such as buildings, machinery, roads and ports, and human capital, but at a great expense of degradation of natural capital.

A clear and most urgent issue is climate change or global warming. The atmosphere is a sink for our pollutants, including carbon dioxide (CO2) emissions and many ecosystems absorb and sequester carbon.

Yet driven by socioeconomic growth, our carbon emissions have been so large that the accumulation of carbon in the atmosphere has led to significant global warming in the past few decades. Climate change has become the biggest threat to nature and humanity.

In the past two centuries, human society has accumulated a huge wealth of produced capital such as buildings, machinery, roads and ports, and human capital, but at a great expense of degradation of natural capital.

Rising global temperature is destroying flora and fauna at unprecedented rates. Asia and the Pacific is one of the most biodiverse regions in the world. However, many ecosystems in the region, from tropical forests to coral reefs, have already been degraded beyond repair or are at imminent risk of reaching tipping points.

What should be done? First, we need to better understand the status of natural capital and better measure and value the stock of natural capital and goods and services it provides. We have some understanding, such as forest coverages, but more systematic work needs to be done. Without certain measurement of natural capital, it would be difficult to incorporate natural capital in economic modeling and policy-making.

We need to change the valuation, pricing and risk approach to ensure that ecosystems and biodiversity are accorded their true worth. Only then can we make informed decisions that would increase the global stock of natural capital and supply of ecosystem goods and services.

Second, we should try to reduce the demand and increase the supply. In other words, we need to increase nature’s ability to supply goods and services to meet our demands. We must cut our demands on nature and particularly, early action is required to ensure a global transition to net zero emissions of greenhouse gases.

We must invest in nature and replenish the stock of natural capital. Plant trees and protect coastal marine areas. Allow nature to recover from assaults that we have been making on it, and offer it assistance to regenerate. There are nature-based solutions for regenerating the vitality of ecosystems such as wetlands or coastal fisheries, including removing waste, and cleaning up rubbish and plastics.

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Third, financing for natural capital needs to be mobilized internationally and domestically. Investing in nature costs money. As nature loss and environmental degradation reduce economic output in poor and indebted countries, it will become harder for them to service debt and spend on nature, leading to a downward spiral of high debt, poor economic performance, no investment in nature, and further degradation in natural capital. We need to break the vicious cycle.

Restructuring unsustainable levels of debt is necessary to regain access to financial markets. Some countries have incorporated natural capital in their debt restructuring. It is also possible to monetize natural capital through financial markets and mobilize financing for investment in nature. There are also early examples of utilizing nationally determined contributions as part of international bond issuance.

Nature has been largely missing in economics and decision-making for too long. As a result, human demands on nature have far exceeded what nature can regenerate and maintain. Urgent action is needed to reverse the devastating trend and natural capital has been taken seriously in recent years.

Multilateral development banks are doing their part, with a commitment in 2021 at COP26 to further integrate nature into their policies, analysis, assessments, advice, investments, and operations.

We need to better understand the status of natural capital, measure the stock of natural capital, and value ecosystem goods and services. Working together, we can help ensure that ecosystems are able to thrive and that future generations can enjoy a healthy, safe, prosperous, and sustainable planet.

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Nature and BiodiversityEconomic Growth
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