I te tau 2017 i whakatūria e Lestari te Indonesian Youth Marine Debris Summit (IYMDS). I taua tau ano, i tohu ia i a Indonesia me te korero i te Huihuinga Huringa Huarere o te United Nations 2017
i Bonn, Germany. I awhina ano ia ki te tiimata i te kaupapa anti-plastiki inu inu i Indonesia me te whakaohooho i nga wharekai 700 ki te whakaiti i te whakamahinga o nga paina kotahi-whakamahi.