Conservation Talks bring you snippets from some of the brightest minds in conservation talking about what they know best.

At last year's Biodiversity Without Boundaries conference in Portland, Oregon, we got to sit down with Dr. Robert Costanza, a pioneer of the concept of ecosystem services. In this clip, Bob discusses how a well-reasoned consideration of the natural world must fall between traditional economics—where the natural world is an externality—and traditional environmental ideals that the natural world is sacred, and outside the realm of economic valuation.

Since our interview, Dr. Costanza has moved from Portland State University to the Crawford School of Public Policy at Australian National University, where he continues research in ecological economics. Bob is the author or co-author of 22 books and over 400 scientific articles, including a groundbreaking study published in Nature that valued the entirety of the world's ecosystem services and natural capital (at an estimated 16-54 trillion dollars annually, in 1997).

Watch Dr. Costanza's keynote address from Biodiversity Without Boundaries 2012 here: connect.natureserve.org/BWB2012/KeynoteAddress

Production Team: Kyle Copas and Sam Sheline
Music: Emo Step Show by The Custodian of Records

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