Animals CAB International. . Retrieved 3 May 2009 Appleby, Michael C. (2008). Eating Our Future: The environmental impact of industrial animal agriculture WSPA. Retrieved 20 December 2012 References External links World Animal Protection Universities Federation for Animal Welfare Scotland’s Rural College Living people British animal welfare scholars British animal welfare workers Ethologists Alumni of the University of Bristol Alumni of King's College, Cambridge Officers of the Order of the British Empire Year of birth missing (living people)