Biodiversity loss is one of the major resource problems facing the world, and the policy options available are restricted by inappropriate economic tools which fail to capture the value of species and their variety. This study describes in non-technical terms how cost-benefit analysis techniques can be applied to species and species loss, and how they provide a measure of the efficiency of conservation measures. Only when conservation can be shown to pass such a basic economic test, the authors claim, will it be incorporated into policies.;David Pearce has also written Blueprint for a Green Economy.

"The international community has committed itself to achieve, by 2010, a significant reduction of the current rate of biodiversity loss at the global, regional, and national levels. Yet, despite growing awareness, and major efforts in all countries, the latest evidence indicates that biodiversity continues to be lost at a terrifying pace, resulting in what some call the greatest mass extinction since dinosaurs roamed the planet, 65 million years ago. A range of methods have been developed to value ecosystems, and the services they provide, as well as the costs of conservation. The methods available are increasingly sensitive, and robust, but they are often incorrectly used. One reason is poor understanding of the purposes of valuation and what questions it can, or cannot, answer. As a result, decision makers may get misleading guidance on the value of ecosystems, and their conservation. In this context, the Bank, IUCN-The World Conservation Union, and the Nature Conservancy have worked together to clarify the aims and uses of economic valuation, focusing on the types of questions that valuation can answer, and the type of valuation that is best suited to each purpose. How Much is an Ecosystem Worth? is the result of that cooperation. It aims to provide guidance on how economic valuation can be used to address specific, policy-relevant questions about nature conservation."

This book provides an ecological economic perspective on the value of diversity in ecosystems. Combining insights from various sub-disciplines of ecology and environmental/ecological economics the author constructs a conceptual framework which identifies the ways in which biodiversity influences human well-being are identified and offers a novel, unifying perspective on the economic value of biodiversity.

These case studies cover the state of the art on economic valuation and on the interface between economic and ecological valuation.

Studienarbeit aus dem Jahr 2013 im Fachbereich VWL - Umweltökonomie, , Veranstaltung: Environmental Economics, Sprache: Deutsch, Abstract: Monetary valuation of environmental goods has by now become the subject of numerous economic books and articles. Interest in the topic seems to be increasing in the economics profession, and theoretical insight, methodological improvements and the numbers of empirical findings are expanding rapidly. The aim of such valuation is usually to incorporate environmental concerns into a cost-benefit analysis. Another purpose is to construct environmentally adjusted national income measures Environmental value estimates have also been combined with macroeconomic models, e.g. to estimate welfare effects of a climate treaty Further, estimated willingness to pay is now accepted in the USA as a basis for legal compensation claims for damages to natural resources caused by spill of hazardous substances (Nyborg, 1996) Valuation can simply be defined “as an attempt to put monetary values or to environmental goods and services or natural resources”. It is a key exercise in economic analysis and its results provide important information about values of environmental goods and services. This information can be used to influence decisions about wise use and conservation of forests and other ecosystems. The basic aim of valuation is to determine people’s preferences by gauging how much they are willing to pay (WTP) for given benefits or certain environmental attributes e.g. keep a forest ecosystem intact. In other words, valuation also tries to gauge how much worse off they would consider themselves to be as a result of changes in the state of the environment such as degradation of a forest. Economic valuation never refers to a stock, but only the change in a stock. If one speaks of the economic value of biodiversity, then one always means the economic value of a change of biodiversity. It is not a question of determining the ‘true’ value of biodiversity or ecosystems but valuing changes and comparing them with their alternatives, e.g. with a golf course vs without a golf course. Thus it is non-sense to ask “how much are the African National Parks worth?” A plausible question in this case would be: ‘WWF has proposed a new policy to prevent the huge losses of wildlife species from African National Parks. What is the monetary value of the benefits of this policy (i.e., the economic damages avoided)? Economists thus stress that the valuation should focus on changes rather than levels of biodiversity or ecosystem. [...]

Human well-being relies critically on ecosystem services provided by nature. Examples include water and air quality regulation, nutrient cycling and decomposition, plant pollination and flood control, all of which are dependent on biodiversity. They are predominantly public goods with limited or no markets and do not command any price in the conventional economic system, so their loss is often not detected and continues unaddressed and unabated. This in turn not only impacts human well-being, but also seriously undermines the sustainability of the economic system. It is against this background that TEEB: The Economics of Ecosystems and Biodiversity project was set up in 2007 and led by the United Nations Environment Programme to provide a comprehensive global assessment of economic aspects of these issues. This book, written by a team of international experts, represents the scientific state of the art, providing a comprehensive assessment of the fundamental ecological and economic principles of measuring and valuing ecosystem services and biodiversity, and showing how these can be mainstreamed into public policies. This volume and subsequent TEEB outputs will provide the authoritative knowledge and guidance to drive forward the biodiversity conservation agenda for the next decade.

In this volume of the TEEB (The Economics of Ecosystems and Biodiversity) publication series, the key concepts of the project are applied to local and regional policy and public management. The aim is to show that by taking nature's benefits into account, decision makers can promote local development to ensure human well-being and economic growth and stability, while maintaining environmental sustainability. The book explores the potential for local development provided by an approach based on nature. It offers examples of successful implementation of this approach from across the world, highlighting the importance of local decision making in management and planning. It provides tools and practical guidance for reform, and throughout the volume the economic benefits of environmental consideration at a local level are expounded. This book is intended to offer inspiration and practical suggestions for the improvement and sustainable management of the environment and human well-being. The local aspect of this book complements the focus of the previous three volumes, completing the set to provide a comprehensive approach to simultaneously improving and maintaining economic and environmental stability, as well as human well-being.

This book is a product of the TEEB study (The Economics of Ecosystems and Biodiversity). It provides important evidence of growing corporate concern about biodiversity loss and offers examples of how leading companies are taking action to conserve biodiversity and to restore ecosystems. This book reviews indicators and drivers of biodiversity loss and ecosystem decline, and shows how these present both risks and opportunities to all businesses. It examines the changing preferences of consumers for nature-friendly products and services, and offers examples of how companies are responding. The book also describes recent initiatives to enable businesses to measure, value and report their impacts and dependencies on biodiversity and ecosystem services. The authors review a range of practical tools to manage biodiversity risks in business, with examples of how companies are using these tools to reduce costs, protect their brands and deliver real business value. The book also explores the emergence of new business models that deliver biodiversity benefits and ecosystem services on a commercial basis, the policy enabling frameworks needed to stimulate investment and entrepreneurship to realize such opportunities, and the obstacles that must be overcome. The book further examines how businesses can align their actions in relation to biodiversity and ecosystem services with other corporate responsibility initiatives, including community engagement and poverty reduction. Finally, the book concludes with a summary and recommendations for action.