These subfields are: Environmental ethics, which arose from the need to develop a philosophy of relations between humans and their environment, because conventional ethics only applied to relations among people.
Cabang keilmuan tersebut diantaranya: Environmental ethics, yang muncul sebab perlunya dicetuskan sebuah filosofi etika tentang relasi antara manusia dan alam sebab, secara baku, cabang filosofi etika hanya berlaku untuk hubungan antara manusia.