Minister of the Environment (Australia) gas emissions, and promoting energy efficiency. The following individuals have been appointed to the post, or any of its precursor titles: The Minister for Sustainable Population was a ministerial portfolio administered through the Department of the Treasury responsible for "planning properly for the infrastructure needs, for the housing needs, for the transport needs, for the regional needs" of the Australian population of the future. Originally entitled the "Minister for Population" by Prime Minister Kevin Rudd, his successor, Julia Gillard, renamed the portfolio to the "Minister for Sustainable Population" to reflect her policy changes on the matter of population growth and
Spouse of the Prime Minister of New Zealand Michael Joseph Savage, was a bachelor during his term, but otherwise, until the tenure of the 36th Prime Minister, Jenny Shipley, the post had always been filled by a woman; Burton Shipley was Jenny Shipley's husband. The current Prime Minister of New Zealand, Jacinda Ardern, is unmarried; her partner is radio personality Clarke Gayford. The current acting spouse of the Prime Minister of New Zealand is Clarke Gayford, who assumed the role when his partner became the Prime Minister of New Zealand on 26 October 2017. There are currently eight living spouses of former prime ministers of New Zealand: The