Foskey was involved in the establishment phase of the ACT Greens in the early 1990s, and was an office bearer of the ACT Greens and the Australian Greens at various times during the 1990s. She ran for the Senate in the ACT for the Greens in 1998, and for the ACT Legislative Assembly seat of Molonglo in 2001. She was elected to the Australian Capital Territory Legislative Assembly in the 2004 election for the electorate of Molonglo as the only Green in a parliament of majority Labor Party governance, which she talks about in her inaugural speech. Foskey worked to raise issues of sustainability, democracy and compassion in her time in the Assembly, until her retirement in 2008.Rudra, Natasha. "Foskey moving to greener pastures". Canberra Times, 31 May 2008.
