"Although it's difficult, if not impossible, to put a dollar value on the numerous services nature provides, leaving them out of economic calculations means they are often ignored." - David Suzuki

David Suzuki: Although it's difficult, if not impossible, to put a...

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"Although it's difficult, if not impossible, to put a dollar value on the numerous services nature provides, leaving them out of economic calculations means they are often ignored." - David Suzuki

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