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.

Mark Petruzzi, a member of the Sustainable Purchasing Leadership Council, brings over 20 years of expertise. He specializes in assessing product and service life cycle impacts and developing

Mark Petruzzi, a member of the Sustainable Purchasing Leadership Council, brings over 20 years of expertise. He specializes in assessing product and service life cycle impacts and developing practical reduction methods.

In his talk, Mark will discuss the Global Ecolabeling Network. He will explain its importance in providing credibility, transparency, and proven results for protecting health and the environment.

The energy crisis has prompted even die-hard environmentalists to reconsider nuclear power. In this first-ever TED debate, Stewart Brand and Mark Z. Jacobson square off, discussing its pros and

The energy crisis has prompted even die-hard environmentalists to reconsider nuclear power. In this first-ever TED debate, Stewart Brand and Mark Z. Jacobson square off, discussing its pros and cons. This thought-provoking discussion might even change your mind.

TEDTalks is a daily video podcast from the TED Conference, featuring the world's leading thinkers and doers delivering the talk of their lives in 18 minutes.