 During her time as an MP she served variously as the Green Party spokesperson on Education, Water, Toxics, Te Tiriti o Waitangi, Mining (Terrestrial), Forestry, Civil Defence, Disability Issues, Women's Affairs, Arts, Culture & Heritage, and the Community & Voluntary Sector.Delahunty was the female co-convenor of the Green Party from 2003 to 2005.She has been placed high on the Greens' list for several years, just missing getting into Parliament on several occasions.