The Someday Challenge is an annual film competition where young New Zealanders make movies about what they care about, on the theme of sustainability.
This years standout winner is 14-year-old boy from ACG Strathallan College in South Auckland.
Luka Wolfgram's film Dear Grief dives into his feelings after losing his younger brother Kosta to cancer. Luka joins us on the line now to tell us about the film-making process. You can watch the winning film, plus the other finalists, here.