EnvironmentPeter Singer on animal rights, octopus farms and why AI is speciesist Controversial author Peter Singer, who inspired the animal rights movement, explains why killing humanely reared animals may be a defensible ethical position and why he has rewritten Animal Liberation for the 21st century Features
EnvironmentKangaroo faeces could reduce methane emissions from cows Faeces from baby kangaroos helped slash the amount of methane produced by bacteria in an artificial cow stomach 51¶¯Âþ