Witnesses: From the United Kingdom House of Commons Committee on Environmental Audit: John Horam, Chair; Helen Brinton; Neil Gerrard; Dominic Grieve; Jon Owen Jones; Paul Keetch; Tim Loughton; Christine Russell; Malcolm Savidge; Jonathan Shaw; Simon Thomas; Joan Walley.
Témoins : Du Comité de la vérification environnementale de la Chambre des communes du Royaume-Uni : John Horam, président; Helen Brinton; Neil Gerrard; Dominic Grieve; Jon Owen Jones; Paul Keetch; Tim Loughton; Christine Russell; Malcolm Savidge; Jonathan Shaw; Simon Thomas; Joan Walley.