Arohanui has a background in waste minimisation, wetland restoration, journalism and communications. Her formal involvement in climate issues began with a role as an environmental intern with Te Arawa Lakes Trust. Current roles include consulting to Para Kore, a Māori, not-for-profit, zero waste organisation with a vision of oranga taiao, oranga whānau, oranga marae.
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Tribal affiliations: Te Arawa whānui, Ngāti Awa and Ngāti Tūwharetoa