Faun butterfly rain forest gbohne/Flickr

Der Preis der Artenvielfalt

DHAKA – Wir Menschen teilen uns den Planeten nicht nur mit einer Vielzahl anderer Arten, darunter Pflanzen, Tiere und sogar Mikroben; unser Überleben ist zudem von diesen abhängig. Können wir den wirtschaftlichen Wert ermitteln, den der Schutz der Natur hat?

Manche Menschen scheuen vor der Idee zurück, der Artenvielfalt ein Preisetikett anzuheften – sie betrachten ihren Schutz als offensichtliche Notwendigkeit. Doch sie würden zweifellos auch zustimmen, dass die Vermeidung menschlichen Tods und Leids bei gleichzeitiger Bereitstellung von Lebensmitteln, Wasser und Bildung für alle lebensnotwendig ist.

In Wahrheit gibt es schlicht nicht genügend Ressourcen, um alles zu tun. Schwierige Entscheidungen sind unvermeidlich. Zum Glück kann uns die Ökonomie bei der Entscheidung helfen, wie wir die uns zur Verfügung stehenden Ressourcen am sinnvollsten einsetzen können.

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