In many European countries, physicians and veterinarians are involved in environmental health.[citation needed] In the United Kingdom, practitioners must have a graduate degree in environmental health and be certified and registered with the Chartered Institute of Environmental Health or the Royal Environmental Health Institute of Scotland.[14] In Canada, practitioners in environmental health are required to obtain an approved bachelor's degree in environmental health along with the national professional certificate, the Certificate in Public Health Inspection (Canada) CPHI(C).[15] Many states in the United States also require that individuals have a bachelor's degree and professional licenses in order to practice environmental health.[citation needed] California state law defines the scope of practice of environmental health as follows:[16]