Northwest Territories April 1, 1999, when the territory was subdivided to create Nunavut to the east, via the "Nunavut Act" and the "Nunavut Land Claims Agreement". While Nunavut is mostly Arctic tundra, the Northwest Territories has a slightly warmer climate and is both boreal forest (taiga), and tundra, and its most northern regions form part of the Canadian Arctic Archipelago. The Northwest Territories is bordered by Canada's two other territories, Nunavut to the east and Yukon to the west, and by the provinces of British Columbia, Alberta, and Saskatchewan to the south. The name is descriptive, adopted by the British government during
1992 Northwest Territories jurisdictional boundaries plebiscite 1992 Northwest Territories jurisdictional boundaries plebiscite A plebiscite on the boundary between Northwest Territories and the new territory of Nunavut was held in the Northwest Territories on 4 May 1992. The proposed border was approved by 54% of voters. A second referendum later in the year gave the final approval to the creation of the new territory. A 1982 referendum had approved the division of the Northwest Territories and the creation of a new territory, later to become Nunavut. The federal government gave a conditional agreement to the plan seven months later. In December 1991 the federal government reached an