Peter Singer
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Peter Singer
@petersinger.info
Author, Animal Liberation, Practical Ethics, The Life You Can Save, The Most Good You Can Do, Animal Liberation Now.
Podcast: "Lives Well Lived"
AI Persona: PeterSinger.ai
Professor of Bioethics, Emeritus, Princeton University.
Richard Ryder, who coined the term "speciesism" has now published a memoir of his campaigning work for animals in the UK: The Ban on Hunting with Hounds and Other Campaigns against Speciesism." A must-read for everyone interested in the history of the animal rights movement.
January 1, 2026 at 2:26 AM
In our conversation with Marion Nestle on “Lives Well Lived”, Kasia de Lazari-Radek and I talk about the flood of nutrition advice on social media, especially around ageing and protein.
December 21, 2025 at 9:56 PM
Do we need animal-based protein to live well?

In our conversation with Marion Nestle on “Lives Well Lived”, Kasia de Lazari-Radek and I discuss this question, which comes up repeatedly in debates about diet and health.
December 18, 2025 at 7:15 AM
I spoke with Fran Kelly on ABC Radio National about giving at Christmas, and why how we give matters as much as how much we give.

Effective altruism is a simple idea: if we want to do good, we should use evidence and reason to do as much good as we can with the resources we have.
December 15, 2025 at 1:12 AM
In the latest episode of “Lives Well Lived”, Kasia de Lazari-Radek and I ask Paul Simon – one of the greatest singer/songwriters of the past 60 years - to reflect on whether he has lived well.
December 15, 2025 at 1:07 AM
Why is the best treatment for one of the most painful conditions known to medicine illegal?
Cluster headaches are often described as one of the most painful conditions known to medicine. People who experience them can suffer repeated, severe attacks that are difficult to treat and deeply disabling
December 12, 2025 at 3:52 AM
Paul Simon, the song-writing part of the duo Simon and Garfunkel, had his first big hit in 1965, with The Sound of Silence, followed up with Bridge Over Troubled Water and Mrs Robinson, and then, as a solo artist, with Graceland. In 2022, he released the very different Seven Psalms.
December 11, 2025 at 9:40 PM
In our conversation with Tim Minchin, we talk about why some people follow an argument all the way into their own lives, while for others it somehow just floats over the top. Kasia mentions the many stories of people becoming vegetarians or vegans, or giving to charities,...
December 8, 2025 at 2:44 AM
“When you try to say to someone there are 200 billion stars in the Milky Way and a trillion galaxies, some people feel panicked by that. They hate that you are temporary.”
December 4, 2025 at 8:58 AM
I’ll be taking part in VEGFEST 2025 with a virtual conversation on the future of our food systems. I’ll be speaking with Anna Caramuru Aubert (a lawyer and coordinator of a Centre for Animal Studies in Brazil)...
December 4, 2025 at 5:09 AM
I’ve contributed a piece to @notus.com, a forum for argument-driven writing that cuts through familiar talking points. I make the case that philanthropy should direct far more funding to reducing the horrific suffering, on a vast scale, of factory-farmed animals, and less to subsidising opera.
December 3, 2025 at 11:59 PM
The EU is running a public consultation, open until 12 December, on phasing out cages for millions of hens, stopping the routine killing of day-old male chicks, and adopting stronger animal welfare standards.
December 3, 2025 at 12:12 AM
[email protected] has posted about distributing hundreds of turkeys to families for Thanksgiving. Like 99.8% of turkeys raised in America, the turkeys never got to go outdoors. They lived in overcrowded, stressful conditions before being trucked to a slaughterhouse and hung upside down...
December 1, 2025 at 4:06 AM
In the latest episode of "Lives Well Lived", Brian Hare and Vanessa Woods discuss why attraction and cooperation, rather than aggression or dominance, enabled humans to thrive.
November 25, 2025 at 3:12 AM
In our new episode of “Lives Well Lived”, Kasia and I speak with Stephen West about how twelve years of reading and teaching philosophy have changed the way he sees the world.
November 16, 2025 at 10:40 PM
Bill Gates recently argued that we climate change is not an existential risk because it will not exceed 2.9°C above pre-industrial levels, and human civilization can survive that.
November 16, 2025 at 10:05 PM
In our latest episode of “Lives Well Lived”, Kasia and I speak with Stephen West, creator of Philosophize This!, about what it really means to become wiser.
November 13, 2025 at 10:36 PM
In the latest episode of “Lives Well Lived,” the podcast I co-host with Kasia de Lazari-Radek, we have a dramatic shift in our demographic, speaking with teenage sisters Mercedes and Anastasia Korngut — the founders of Small Bits of Happiness...
November 12, 2025 at 11:56 PM
Two teenage sisters are our guests in our new “Lives Well Lived” episode: Mercedes and Anastasia Korngut. They are Canadians, troubled about how low Canada and the US rank in surveys of how happy people under 30 are. So they started a company, Small Bits of Happiness, to help young people...
November 6, 2025 at 8:41 PM
Two teenage girls are our guests in the latest “Lives Well Lived” episode. We feature the Canadian sisters Mercedes and Anastasia Korngut, who are 17 and 15 respectively. They have started a remarkable enterprise called Small Bits of Happiness.
November 6, 2025 at 6:50 AM
In the latest episode of “Lives Well Lived”, the podcast I co-host with Kasia de Lazari-Radek, we speak with Harvard psychology professor Daniel Gilbert, author of the New York Times bestseller Stumbling on Happiness, about why we’re so often wrong about what will make us happy.
November 6, 2025 at 6:28 AM
In our latest episode of Lives Well Lived, Kasia and I speak with Harvard psychology professor Daniel Gilbert, author of the New York Times bestseller Stumbling on Happiness, about why people are so poor at predicting what will bring them joy and why we often fail to learn from our own mistakes.
October 30, 2025 at 8:02 AM
In our latest episode of Lives Well Lived, Kasia and I speak with Harvard psychology professor Daniel Gilbert, author of the New York Times bestseller Stumbling on Happiness, about why people are so poor at predicting what will bring them joy and why we often fail to learn from our own mistakes.
October 30, 2025 at 7:49 AM
In the latest episode of “Lives Well Lived”, the podcast I co-host with Kasia de Lazari-Radek, we speak with Bishop Mariann Budde -- the first woman to serve as Episcopalian Bishop of Washington D.C. and of the Washington National Cathedral.
October 27, 2025 at 10:56 PM
In our conversation, Bishop Mariann Budde, who spoke out so bravely in Trump’s presence, reminded us that courage and love can spread through communities that stand together in solidarity with migrants, in defence of public institutions, and in small daily acts of kindness that keep hope alive.
October 23, 2025 at 11:06 PM