Pedzisa mutsara unotevera: Pamusangano weUN weKushanduka Kwemamiriro Okunze muBerlin muna 1995, AOSIS yakatsigira zvakasimba kuzvipira kumatanho enguva uye matanho anotarirwa ekushanduka kwemamiriro okunze. Rakatsigirwa nenyika dzakabudirira dzakadai seChina, Brazil, neIndia. AOSIS yakatsigira kubvira muna 2008 kuti kubatanidzwa kwechinangwa chekushisa kudzora kudziya kwepasi kusvika pa1,5 °C pamusoro pematanho epamberi pemaindasitiri. Nyika dzakawanda dziri nhengo dzeAOSIS dzakanga dziripo paMusangano weCopenhagen. Democracy Now! yakashuma kuti nhengo dzechitsuwa cheTuvalu dzakapindira musangano weConference musi wa10 Zvita 2009 kuti dzicheme kuti kuwedzera kwetembiricha yepasi rose kunogumira pa1.5 °C panzvimbo pe2 °C yakatemerwa.
2015 UNFCCC muParis. AOSIS yakatanga hurongwa hwekutaurirana hwaizotungamira mukubatanidzwa kwechinangwa che1,5 °C uye yaive yakakosha mukuwana rutsigiro rwekubatanidzwa kwayo kubva kunyika dzinotambura dzeAfrica neAsia uye nyika dzeLDC. Maererano nomunyori uye muratidziri Mark Lynas, kubatanidzwa kwechinangwa che 1.5 °C muParis Agreement kwaiva 'kunenge chose chose' nemhaka yokutsigira kweSIDS nedzimwe nyika dzichiri kubudirira.