"Maybe a good shorthand for the theme of this competition is 'one person's problem is everyone's problem'."
She says young people care about things such as justice, inequality and peace but often felt they were unable to make a difference. "Not so many are interested in attending political conferences to further their interests. However, many are willing to respond or express themselves through art and performance as a way of getting involved."
Dr Tilley said she had met young people who felt overwhelmed by the problems they faced today, but reassured them an act of creativity can foster change.
"If you write one poem about something that matters to you, you can post it on Facebook, share it with others and it has the potential to affect someone else's thinking. Art can be powerful in this way."
Dr Tilley's own shortplay Flotsam, which was written in the lead-up to the Paris climate change talks, was selected to appear on 10 stages across the United States.
"We wanted to give high school students a taste of the kinds of hands-on creative action learning that is open to them through Expressive Arts," she said. "Plus, we actually know from our interactions with high school students that they are already very connected to social issues, highly creative, and we wanted to see what they could come up with.
"Far from fitting the stereotype of a disengaged generation, today's young New Zealanders actually care passionately about the future of the planet and we know they will have amazing creative ideas about how we can all work together to save it."
Create1world is open to all Year 11 - 13 students. Entries close May 2. For more details see www.massey.ac.nz/create1world.