Margaret Hiza Redsteer

**Margaret Hiza Redsteer** masanin ilimin ƙasa ce kuma farfesa a Jami'ar Washington Bothell .  A baya ta yi aiki a matsayin masanin kimiyya na bincike ga Ma'aikatar Cikin Gida ta Amurka da kuma binciken ilimin ƙasa na Amurka. Babban binciken Redsteer yana mai da hankali kan gyara tasirin canjin yanayi a yankin Navajo ta hanyar haɗa ilimin dattawan 'yan asalin Amurka a hade tare da nazarin kimiyya da hanyoyin.

## Rayuwa ta farko da ilimi
Redsteer ta girma ne a Story, Wyoming .  Redsteer ta fito ne daga Crow Nation a gefen mahaifinta kuma tana da fari. Redsteer ya koma Colorado don ya zama masanin azurfa, ana horar da shi don ƙirƙirar kayan ado na gida na 'yan asalin Amurka. A Colorado, Redsteer ya sadu kuma ya auri Robert Redsteer, wani mutumin Navajo tare da mafarki na ƙaura zuwa kudu zuwa gidan Robert a cikin Navajo Reservation . 

A shekara ta 1986, an tilasta wa Redsteer, mijinta, da kananan yara uku su koma Flagstaff, Arizona saboda Dokar Zaman Lafiya ta Navajo Hopi ta 1974.   Tare da difloma na makarantar sakandare kawai, damar aiki ta iyakance a Flagstaff don Redsteer. Koyaya, yayin da Redsteer da iyalinta ke zaune a yankin Navajo, ta lura da rashin inganci da iyakance damar samun ruwa da ke akwai waɗanda ke zaune a wurin ajiyar. Bayan ta koma Flagstaff tare da iyalinta, Redsteer ta ci gaba da karatunta a kimiyyar muhalli.

A Flagstaff, Redsteer ya fara karatun ilimin ƙasa a Jami'ar Arewacin Arizona da ke Flagstaff .  A lokacin da Redsteer ta kammala digiri a Jami'ar Arewacin Arizona, ita da mijinta sun rabu.  A matsayinta na uwa ɗaya, Redsteer ta ci gaba da karatun ta a makarantar digiri. Bayan ta lashe kyautar Gidauniyar Kimiyya ta Kasa,  Redsteer ta yi karatun ilimin sedimentology a Jami'ar Jihar Montana, inda ta sami digiri na biyu a shekarar 1983.  Binciken Redsteer a cikin Yellowstone National Park ya samo asali ne daga David Love, masanin ilimin ƙasa na Wyoming wanda ya shafe yawancin aikinsa yana nazarin duwatsun dutse a yankin.

Bayan shekaru 14, ta sami Ph.D a cikin geochemistry daga Jami'ar Jihar Oregon da ke binciken dutsen dutse. Mai ba da shawara ga Redsteer, Anita Grunder, ya kasance wahayi a gare ta saboda samar da misali na ma'auni mai kyau ga Redsteers.

## Ayyuka
Redsteer ya zama memba na binciken ilimin ƙasa na Amurka a farkon shekarun 2000. Ta yi nazarin ajiyar dutsen wuta, amma nan da nan ta sauya zuwa nazarin Canjin yanayi. Binciken Redsteer ya haɗa da magance ƙarancin ruwa ta hanyar hanyoyin kimiyya daban-daban. Ayyukanta a matsayin masanin kimiyya mai bincike ya fuskanci tsammanin jinsi na maza da mata na lokacinta. Kodayake ilimi ya kasance sana'ar da maza suka mamaye, masana kimiyya mata kamar Redsteer sun yi wa 'yan mata wahayi zuwa ga neman kimiyya.

Redsteer yana nazarin tasirin canjin yanayi akan samun ruwa da lalacewar muhalli a ƙasashen kabilanci. Musamman, ta bincika ƙasar Navajo da Hopi da kuma ajiyar Crow inda aka haife ta.  Redsteer tana amfani da abubuwan da ta samu daga rayuwa daga zama a wani ajiya da kuma horar da ita na kimiyya don samar da mafita ga al'ummomin kabilanci da ke da karancin ruwa. 

Yayinda suke aiki tare da masana kimiyya, Masana ilimin ɗan adam, da masu fassara, Redsteer da tawagarta sun yi aiki tare da dattawan kabilun Navajo don yin rikodin canje-canjen muhalli da ke faruwa a ƙasashen kabilanci.  Wani shirin da Cibiyar Nazarin Yanayi ta Amurka ta yi mai taken "A Record of Change-Science and Elder Observations on the Navajo Nation" ya nuna yadda Redsteer da tawagarta suka yi amfani da ilimin Navajo na gida da na tarihi da bincike na kimiyya don neman mafita ga al'ummomin da ke da karancin ruwa. 

A ranar 12-13 ga Afrilu, 2023, Redsteer ya gabatar da Tanner Lectures on Human Values a Jami'ar Harvard. A cikin waɗannan laccoci, ta yi magana game da buƙatar mai da hankali kan yadda canjin yanayi ke shafar al'ummomin da aka ware..

## Manazarta