About: http://webisa.webdatacommons.org/419241205

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I know that is not your cup of tea, but Singer is a seriously rigorous thinker and ethicist, and he addresses all of the issues you touch on and more.
http://www.w3.org/ns/prov#wasQuotedFrom	sustainablog.org