Date

6-28-1979

Streaming Media

Series

Ecosystems Lectures

Length

1 hour 20 minutes

Original Description

With: Salter, C. L., "The urban enigma."

Notes

The second of two lectures by Harrison Scott Brown, professor of geochemistry at California Institute of Technology, traces the evolution of the current global food situation and points out how energy use can cause climate changes which can drastically affect the world's food supply.

The preceding lecture, "Energy Resources," is available in the Oregon Public Speakers Collection here: http://archives.pdx.edu/ds/psu/11428

These lectures are part of the "Ecosystems" series of lectures sponsored by Sigma Xi- Earth Resources Ltd.

Transferred and preserved by Portland State University Library’s Special Collections with the generous support of the Institute of Museum and Library Services through the Library Services and Technology Act, administered by the Oregon State Library.

Subjects

Ecosystems, Population, Food, Climate changes

Original Format

Reel to reel, 3.75 ips, 4 track, mono

Rights

This digital access copy is made available as streaming media for personal, educational, and non-commercial use only. It cannot be reproduced in any form, distributed or played for commercial purposes. It is made accessible because of one or more of the following situations: the rights are owned by State Board of Higher Education, on behalf of Portland State University; Portland State University has permission to make it accessible; it is made accessible for education and research purposes under fair use; or there are no known restrictions on use. In the event that previously unknown information is shared that may change the status of this item, it will be immediately removed from public view until pertinent rights issues are clarified.

Description

Transcript added August 5, 2020.

PSU Library Special Collections and University Archives presents these recordings as part of the historical record. They reflect the recollections and opinions of the individual speakers and are not intended to be representative of the views of Portland State University. They may contain language, ideas, or stereotypes that are offensive to others.

Persistent Identifier

http://archives.pdx.edu/ds/psu/11429

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