Peter Singer Posts Peter Singer: Animal Liberation Now [Washington DC] by Peter Singer @ 2023-05-19 | +8 | 0 comments Announcing the Publication of Animal Liberation Now by Peter Singer @ 2023-05-19 | +473 | 0 comments The Drowning Child and the Expanding Circle by Peter Singer @ 2014-09-09 | +70 | 0 comments Preventing human extinction by Peter Singer @ 2013-08-19 | +25 | 0 comments