Watch "The Power of Big Oil Part Two: Doubt," a FRONTLINE documentary. This episode is part of a three-part series.

It investigates the fossil fuel industry's historical efforts to sow

Watch "The Power of Big Oil Part Two: Doubt," a FRONTLINE documentary. This episode is part of a three-part series.

It investigates the fossil fuel industry's historical efforts to sow doubt and impede action on climate change.

The 2005 documentary "Trudell" chronicles the life of American Indian activist and poet John Trudell. The film traces his journey from childhood in Omaha, Nebraska, through his leadership in the

The 2005 documentary "Trudell" chronicles the life of American Indian activist and poet John Trudell. The film traces his journey from childhood in Omaha, Nebraska, through his leadership in the American Indian Movement, and his subsequent rebirth as a musician and spoken word poet following the tragic death of his wife in a suspected arson fire. Directed and produced by Heather Rae over more than a decade, "Trudell" aired nationally on PBS's Independent Lens series on April 11, 2006. Notable contributors include Robert Redford, Kris Kristofferson, and Sam Shepard.

Experience John Trudell's music by visiting his first CD, "HeartTaker, Owl Dance Song," on YouTube here.

Leif Wenar, author of "Blood Oil: Tyrants, Violence, and the Rules That Run the World," delivered a talk at Town Hall Seattle on January 27, 2016. He argued that the principle "might makes right"

Leif Wenar, author of "Blood Oil: Tyrants, Violence, and the Rules That Run the World," delivered a talk at Town Hall Seattle on January 27, 2016. He argued that the principle "might makes right" must be retired. Wenar serves as the Chair of Philosophy Law at King's College London, having studied at Stanford and Harvard under John Rawls, Robert Nozick, and T.M. Scanlon.

His expertise includes property rights and international ethics. For more details on his work, visit his King's College London profile or CleanTrade.org. "Blood Oil" is available for purchase via Amazon or at your local bookstore.

Indigenous Peoples, led by Phil Lane Jr., spearheaded the largest climate change rally in Los Angeles history in February 2013. They marched thousands to LA City Hall, opened the event with

Indigenous Peoples, led by Phil Lane Jr., spearheaded the largest climate change rally in Los Angeles history in February 2013. They marched thousands to LA City Hall, opened the event with traditional prayers, and delivered a strong message to President Obama.

The rally concluded with an "Idle No More - Protect the Sacred" Round Dance, during which an international treaty to protect sacred lands from Tar Sands projects was signed. Phil Lane Jr.'s leadership is further detailed in a video on EarthSayers.tv here, and his organization is the Four Worlds International Institute here.

Paul Sorensen, Ph.D., an engineer, entrepreneur, and philanthropist, co-founded Hibbitt, Karlsson & Sorensen, Inc.

He addresses

Paul Sorensen, Ph.D., an engineer, entrepreneur, and philanthropist, co-founded Hibbitt, Karlsson & Sorensen, Inc.

He addresses petroleum-related challenges, advocating for environmental damage mitigation rather than outright elimination or reversal strategies.

This trailer introduces "How to Boil a Frog," an eco-comedy that confronts the consequences of overshoot: too many people consuming too little planet.

An everyman dad guides viewers through

This trailer introduces "How to Boil a Frog," an eco-comedy that confronts the consequences of overshoot: too many people consuming too little planet.

An everyman dad guides viewers through the imminent global crisis, revealing five surprising ways we can save civilization.