What does it mean to eat and live ethically in today’s world? 

In 1975, Australian philosopher Peter Singer published his landmark book Animal Liberation, in which he advocated for a vegan diet and the improved treatment of animals, sparking a global movement for animal rights. 

Almost 50 years on, amid scientific and ethical advancements, Singer has released an updated version of his book: Animal Liberation Now.

New Scientist reporter Madeleine Cuff asks Singer how his views on eating ethically have changed, particularly as the science around climate change has solidified.

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