Magda Elisabeth Nygaard Renner (da aka sani da Magda Renner ) ( Porto Alegre, Rio Grande do Sul; an haife ta a shekara ta 1926 - ta mutu a ranar 11 ga Satan Octoban shekara ta 2016) yar asalin Brazil ce, mai fafutukar kare muhalli, da kuma ilmin yanayin kasa. Magda Renner ta fara aikinta na kiyaye muhalli tare da haɗin gwiwar "Ação Democrática Feminina Gaúcha" (ADFG) a 1964, tare da takwararta mai kula da muhalli Giselda Castro. Bayan halartar wani taro mai taken "The hudu ka'idodi na da lafiyar qasa" ta muhalli José Lutzenberger a Association of Agronomists a shekara ta 1972, Renner aka kara yi wahayi zuwa ga tafiyar da muhalli haddasawa. Asali an kirkireshi azaman motsi "na mata don mata", ADFG daga baya ya zama "Núcleo Amigos da Terra Brasil" (NAT / Brasil), kungiyar farar hula wacce take da sha'awar jama'a da aka sadaukar domin kare muhalli, ci gaba mai dorewa da adalci na zamantakewar . NAT / Brasil ya shiga cikin Abokan Duniya na Duniya a shekara ta 1983.