Maris don Kimiyya

**Maris don Kimiyya** (wanda aka fi sani da Maris na Masana Kimiyya akan Washington) jerin jerin gwano da jerin gwano ne da aka gudanar a Ranar Duniya. An gudanar da tattakin na farko ne a ranar 22 ga Afrilu, 2017, a Washington, D.C., da sauran garuruwa sama da 600 a fadin duniya. A cewar masu shirya tattakin, tattakin wani yunkuri ne da ba na bangaranci ba don nuna farin ciki da kimiyya da irin rawar da yake takawa a rayuwar yau da kullum. Makasudin zanga-zangar da gangamin sun kasance don jaddada cewa kimiyya tana tabbatar da moriyar jama'a da kuma yin kira da a samar da wata manufa ta kafa hujja da maslahar jama'a. Maris don Masu shirya Kimiyya, an kiyasta halartar duniya a miliyan 1.07, tare da mahalarta 100,000 da aka kiyasta don babban Maris a Washington, D.C., 70,000 a Boston, 60,000 a Chicago, 50,000 a Los Angeles, 50,000 a San Francisco, 20,000 a Seattle, da Phoenix 0 Berlin.

An gudanar da Maris na biyu don Kimiyya ranar 14 ga Afrilu, 2018. Abubuwa 230 na tauraron dan adam a duniya sun halarci bikin na 2nd na shekara-shekara, gami da New York City, Abuja, Nigeria, da Baraut, Indiya. Maris na uku don Kimiyya ya faru a ranar 22 ga Mayu, 2019, a wannan lokacin tare da wurare 150 a duniya.

Masu shirya Maris don Kimiyya da masu goyon baya sun ce goyon bayan kimiyya ya kamata ya zama mara ban sha'awa. Masana kimiyya ne suka shirya wannan tattakin da masu shakku kan ajandar gwamnatin Trump, da kuma sukar manufofin gwamnatin Trump da ake kallo a matsayin kiyayya ga kimiyya. Gidan yanar gizo na tattakin ya bayyana cewa "gwamnatin Amurka da ta yi watsi da kimiyya don bin manufofin akida tana jefa duniya cikin hadari."

Musamman batutuwa na manufofin kimiyya da masu zanga-zangar suka gabatar sun haɗa da goyon baya ga tsara manufofi na tushen shaida, da kuma goyon bayan tallafin gwamnati don bincike na kimiyya, nuna gaskiya na gwamnati, da kuma yarda da gwamnati na yarda da ilimin kimiyya game da sauyin yanayi da juyin halitta. Tafiyar wani bangare ne na ci gaban ayyukan siyasa da masana kimiyyar Amurka suka yi a sakamakon zaben Nuwamba na 2016 da Maris na Mata na 2017.

Robert N. Proctor, masanin tarihin kimiyya a Jami'ar Stanford, ya bayyana cewa Maris don Kimiyya ya kasance "ba a taɓa yin irinsa ba a cikin ma'auni da faɗin al'ummar kimiyyar da ke da hannu" kuma ya samo asali ne a cikin "haske mai girma game da wani gagarumin hari kan tsattsauran ra'ayi na gaskiya da ke da tsarki ga al'ummar kimiyya."

## Fage

### Donald Trump
A cikin 2012, Donald Trump ya kira sauyin yanayi a matsayin yaudara. A matsayinsa na dan takarar shugaban kasa, ya yi alkawarin ci gaba da gina bututun Keystone XL da kuma mayar da dokokin Hukumar Kare Muhalli ta Amurka (EPA) da gwamnatin Obama ta dauka.

Bayan zaben Trump, tawagarsa ta farko ta mika mulki ta nemi takamaiman ma'aikatan Ma'aikatar Makamashi ta Amurka (DOE) wadanda suka yi aiki kan sauyin yanayi a lokacin gwamnatin Obama.[30] Kafin rantsar da Trump, da yawa daga cikin masana kimiyyar yanayi sun fara zazzage bayanan yanayi daga gidajen yanar gizo na gwamnati wadanda suke tsoron gwamnatin Trump za ta iya goge su. Sauran ayyukan da gwamnatin Trump ta yi ko alkawuran da gwamnatin Trump ta yi sun karfafa tafiyar, ciki har da ficewa daga yarjejeniyar Paris, matsayin wadanda aka zaba na majalisar ministocinsa, daskarewa tallafin bincike, da kuma odar gag da aka sanya wa masana kimiyya a cikin EPA dangane da yada sakamakon bincikensu. A cikin Fabrairu 2017, William Happer, mai yiwuwa mai ba da shawara kan kimiyya na Trump tare da ra'ayoyi masu shakku game da ɗan adam ya haifar da dumamar yanayi, ya bayyana wani yanki na kimiyyar yanayi a matsayin "da gaske ya fi kama da al'ada" da masu yinsa "masu idanu".ScienceInsider ya ba da rahoton buƙatun kasafin kuɗi na farko na Trump a matsayin "Ranar kasafin kuɗi ga kimiyyar Amurka" saboda tana ɗauke da manyan kashe kudade ga bincike na NOAA da shirye-shiryen tauraron dan adam, Ofishin Bincike da Ci gaba na EPA, Ofishin Kimiyya da shirye-shiryen makamashi na DOE, Binciken Geological na Amurka, Cibiyoyin Lafiya na Kasa, da sauran hukumomin kimiyya.

## Manazarta