"...Ecosystem services are crucial for the well-being of people, but their contribution to economic systems is difficult to quantify in monetary terms. Since they are not traded in commercial markets, they are often given too little or no weight in decision making.
Thus, final decisions may favour outcomes which do have a commercial value, turning unsustainable use of ecosystems more
profitable in a short term. Economic valuation is a tool for valuing ecosystems and their services in monetary terms. It quantifies the benefits provided by ecosystems and the impact of ecosystem changes on the wellbeing of people. Economic values are essential to consider when making economic choices.."
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Published by: Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH