In 1975, philosopher Peter Singer argued for the end of tyranny by human animals over non-human animals. His book "Animal Liberation," has been an ethical compass for several generations of animal rights activists.

In this conversation with Emil Guillermo, Singer talks about the changes in the last five decades, how his book helped bring about those changes, and how there's still much work to do to convince society that speciesism is wrong. Go to PETA.org for more information. 

The PETA Podcast PETA, the world's largest animal rights organization, is 9 million strong and growing. This is the place to find out why. Hear from insiders, thought leaders, activists, investigators, politicians, and others why animals need more than kindness·they have the right not to be abused or exploited in any way.

Hosted by Emil Guillermo. Powered by PETA activism.

Contact us at PETA.org. Music provided by CarbonWorks.

Go to Apple podcasts and subscribe. Contact and follow host Emil Guillermo on Twitter @emilamok Or at www.amok.com

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