This video features two excerpts from Mark Plotkin's speeches. His October 2014 TED Global talk in Rio de Janeiro addresses the critical endangerment of Amazonian indigenous cultures and

This video features two excerpts from Mark Plotkin's speeches. His October 2014 TED Global talk in Rio de Janeiro addresses the critical endangerment of Amazonian indigenous cultures and uncontacted tribes, arguing they are the rainforest's most vulnerable species, not jaguars or eagles. Mark's Speech.

A second excerpt, from his August 2006 Authors@Google speech, emphasizes his view that protecting the earth is spiritually beneficial. Mark's August 2006 talk.

Published on December 1, 2014.

Water is essential for all life forms and commerce.

In his TEDx talk, "The Future of Water," delivered at Oregon State University on April 17, 2012, Puralytics CEO Mark Owen (visit