SPREP began life in the late 1970s as a joint initiative of SPC, SPEC, ESCAP and UNEP - eventually functioning as a component of UNEP's Regional Seas Programme. The Programme received further impetus as a result of the 1982 Conference on the Human Environment in the South Pacific. Following a period of expansion and long deliberations, SPREP left SPC in Nouméa in 1992 and relocated to Samoa. It achieved autonomy as an independent inter-governmental organisation with the signing of the Agreement Establishing SPREP in Apia on 16 June 1993.