When McDonald’s pledged in September 2015 to use cage-free eggs in all of its restaurants in the next decade, it came as no surprise to Calvin philosophy professor Matt Halteman. Not because he’s a ...

Overview of anti-euthanasia arguments. It's possible to argue about the way we've divided up the arguments, and many arguments could fall into more categories than we've used. Eth ...

How do you persuade the whole world to stop eating meat? I have been trying for half a century. My book Animal Liberation was published in 1975, when I was 29 years old. I argued that our treatment of ...

Demonstrators hold signs with the faces of US Supreme Court Justices during an abortion-rights protest in New York, on Tuesday, May 3, 2022. (Stephanie Keith / Bloomberg via Getty Images) By signing ...

In a recent post, I discussed a paper I published a few days ago with several bioethicists on whether trade-offs between generations are always unjust. Since I have received numerous replies, I would ...