jean hinchliffe: hey. alexandria: hi, how are you?s and advice. jean: if you're just promoting online or just promoting in particular areas, you're already--it's like preaching to the converted, it's like-- alexandria: yeah, i had sent it to one of the other organizers like-- barbara: both are gearing up for the un summit. jean: dude, i am so excited. i've never traveled internationally by myself, so it's gonna be crazy. i'm very, very excited. ♪♪♪ ♪♪♪ [laughing] lisa healy: hey, do you mind me talking about your lateness? jean: no--yes--no. barbara: in sydney, 15-year-old jean hinchliffe is packing a lot into her days as an activist, a part-time actor, and a full-time school student. the new york trip is now just weeks away. lisa: so, jeanie, what i do need to know are your details of your accommodation. jean: i messaged him, but also he lives ages away, so he's asleep, so, like, in a couple hours. lisa: okay, so i'll get details today. jean: see you, mum. barbara: jean says she fell into the role of organizing the sydney school stri