Rubuta ci gaba don wannan sakin layi - Ta kuma yi aiki a matsayin mai fafutukar kare hakkin 'yan asalin ƙasar a matakin ƙasa da ƙasa, tare da mai da hankali kan kare gidaje da ƙasa daga bukatun kamfanoni. Ta kasance wani ɓangare na kira na duniya don dakatar da hakar burbushin halittu a cikin Maris na Yanayin Mutane na 2014. Ta kuma kasance daga cikin wakilai masu ba da shawara don kare "Dabbobi masu rai" a taron duniya na COP20 da COP21
, a Lima da kuma Paris bi da bi. A yayin taron COP21, ta jawo hankali ga bukatun mutanenta ta hanyar tafiya a cikin kogin Seine a Paris a cikin wani jirgin ruwa daga ƙauyensa. A cikin 2016, tana cikin ƙungiyar matan 'yan asalin ƙasar daga ƙasashe 7 waɗanda suka haɗu don yin tafiya don kare haƙƙoƙin' yan asalin ƙasar da yankuna. Gualinga ya ba da ƙarin haske game da tasirin canjin yanayi a kan mutanen Kichwa a COP22 a Marrakech kuma ya ƙarfafa gwamnati ta ba da fifiko ga ayyukan sauyin yanayi don rage fitar da iskar carbon ga 'yan asalin. Ta kasance wani ɓangare na Women's Earth and Climate Action Network (WECAN), Amazon Watch da Sarayaku Tawagar zuwa COP23 a Bonn kuma mai magana a taron. Nina ya kasance wani ɓangare na tawagar WECAN a tattaunawar canjin yanayi na COP25 a Madrid a cikin 2019. A taron, ta yi kira ga duniya da ta guji hakar burbushin halittu da kuma sauraron 'yan asalin, wadanda suka kare kasashensu na dubban shekaru, don magance matsalar canjin yanayi: "Idan ba mu saurari' yan asalin ba, idan ba mu saurari 'yan asalin mata ba ba za mu fita daga wannan rikicin ba. " Ta ba da lacca kan 'Yan asalin ƙasar Amazon: Masu Kula da Makomarmu a IAAC Auditorium, Barcelona a ranar 25 ga Fabrairu 2020.