Australia's biggest national park at the Simpson Desert. In March 2021, legislation introduced by Speirs meant South Australia became the first state in Australia to ban single-use plastics. The first items to be banned were single-use plastic straws, cutlery and drink stirrers with other items such as polystyrene containers phased out in March 2022. In November 2021, Speirs contested the deputy party leader and Deputy Premier ballot, but lost to Dan van Holst Pellekaan. After outgoing Premier Steven Marshall resigned as leader of the Liberal Party, Speirs was elected leader on 19 April 2022, becoming South Australia's 44th Leader of the Opposition. Personal life Speirs is an active lifesaver at the Brighton Surf Lifesaving Club and has a strong interest in health and fitness. He is a founding member of the Hallett Cove-based environmental group, Friends of the Lower Field River; a land care group established by Hallett Cove residents in 2006 to protect and care for the lower portion of the Field River and its environs. Speirs has completed the Duke of Edinburgh's International Award and has completed all three levels. See also Shadow ministry of David Speirs References External links David Speirs MP David Speirs, Member for Bright 1984 births Living people Members of the South Australian House of Assembly Liberal Party of Australia members of the Parliament of South Australia University of Adelaide alumni People educated at Stranraer Academy Scottish emigrants to Australia 21st-century Australian politicians Deputy mayors of places in Australia South Australian local councillors