© 2026 ABC News

\"So either you tell us how to achieve this mitigation or explain to future generations and those already affected by the climate emergency why we should abandon our climate commitments,\" she added in a follow-up tweet.

This isn't the first time world leaders have come after the teen.

President Donald Trump has famously feuded with Greta on Twitter, telling her to \"chill.\"

President Jair Bolsonaro of Brazil called her a \"brat.\"

 

","canonicalUrl":"https://abcnews.com/Business/steve-mnuchin-tells-greta-thunberg-study-economics-discussing/story?id=68478525","legacySlug":"/news/story/steve-mnuchin-tells-greta-thunberg-study-economics-discussing-68478525","noIndexNoFollow":false},"publishTime":"15:10","publishDate":"01-23-2020","updatedTime":"22:16","updatedDate":"01-25-2020","socialImage":{"alt":"Treasury Secretary Steven Mnuchin attends a session during the World Economic Forum (WEF) annual meeting in Davos, Switzerland, Jan. 21, 2020.","credit":"Fabrice Coffrini/AFP via Getty Images","ratio":"16x9","url":"https://s.abcnews.com/images/Business/mnuchin-davos-gty-ps-200123_hpMain_16x9_1600.jpg","width":992,"height":558},"datePublished":"1/23/2020 15:10:00 GMT","video":{"live":false,"id":68478525,"headline":"Mnuchin tells Greta Thunberg to study economics ","mediaAssetTitle":"STEVE MNUCHIN TELLS GRETA TO STUDY ECONOMICS","description":"\"Is she the chief economist or who is she? I'm confused,\" he said as a \"joke.\"","duration":"1:10","posterImg":{"url":"https://s.abcnews.com/images/GMA/default-img-undefined.png","width":608,"height":342},"video":{"feed":"https://service-pkgabcnews.akamaized.net/opp/hls/abcnews/2020/01/200124_vod_gretaresponseMIX_,500,800,1200,1800,2500,3200,4500,.mp4.csmil/playlist.m3u8"},"playlist":["132488083","132306053","132266872"]},"relatedItems":[{"contentType":"video","date":"April 29, 2026","headline":"Grand jury indicts former FBI director over Instagram post","section":"News","slug":"/video/132488083","id":"132488083","image":{"alt":"VIDEO: Grand jury indicts former FBI director over Instagram post","credit":"ABCNews.com","ratio":"1x1","url":"https://s.abcnews.com/images/GMA/260429_gma_thomas_comey2_706_hpMain_1x1_608.jpg","width":384,"height":384},"images":{"alt":"VIDEO: Grand jury indicts former FBI director over Instagram post","credit":"ABCNews.com","crops":[{"16x9":{"small":"https://s.abcnews.com/images/GMA/260429_gma_thomas_comey2_706_hpMain_16x9_608.jpg","medium":"https://s.abcnews.com/images/GMA/260429_gma_thomas_comey2_706_hpMain_16x9_992.jpg","large":"https://s.abcnews.com/images/GMA/260429_gma_thomas_comey2_706_hpMain_16x9_1600.jpg"}},{"9x16":{"small":"https://s.abcnews.com/images/GMA/260429_gma_thomas_comey2_706_hpMain_9x16_608.jpg","medium":"https://s.abcnews.com/images/GMA/260429_gma_thomas_comey2_706_hpMain_9x16_992.jpg","large":"https://s.abcnews.com/images/GMA/260429_gma_thomas_comey2_706_hpMain_16x9_1600.jpg"}},{"1x1":{"small":"https://s.abcnews.com/images/GMA/260429_gma_thomas_comey2_706_hpMain_1x1_608.jpg","medium":"https://s.abcnews.com/images/GMA/260429_gma_thomas_comey2_706_hpMain_1x1_992.jpg","large":"https://s.abcnews.com/images/GMA/260429_gma_thomas_comey2_706_hpMain_1x1_1600.jpg"}}]}},{"contentType":"video","date":"April 23, 2026","headline":"Trump orders Navy to 'shoot and kill' any boat laying mines in Strait of Hormuz","section":"News","slug":"/video/132306053","id":"132306053","image":{"alt":"VIDEO: Trump orders Navy to 'shoot and kill' any boat laying mines in Strait of Hormuz","credit":"ABCNews.com","ratio":"1x1","url":"https://s.abcnews.com/images/GMA/260423_gma_scott_ceasefire3_hpMain_1x1_608.jpg","width":384,"height":384},"images":{"alt":"VIDEO: Trump orders Navy to 'shoot and kill' any boat laying mines in Strait of Hormuz","credit":"ABCNews.com","crops":[{"16x9":{"small":"https://s.abcnews.com/images/GMA/260423_gma_scott_ceasefire3_hpMain_16x9_608.jpg","medium":"https://s.abcnews.com/images/GMA/260423_gma_scott_ceasefire3_hpMain_16x9_992.jpg","large":"https://s.abcnews.com/images/GMA/260423_gma_scott_ceasefire3_hpMain_16x9_1600.jpg"}},{"9x16":{"small":"https://s.abcnews.com/images/GMA/260423_gma_scott_ceasefire3_hpMain_9x16_608.jpg","medium":"https://s.abcnews.com/images/GMA/260423_gma_scott_ceasefire3_hpMain_9x16_992.jpg","large":"https://s.abcnews.com/images/GMA/260423_gma_scott_ceasefire3_hpMain_16x9_1600.jpg"}},{"1x1":{"small":"https://s.abcnews.com/images/GMA/260423_gma_scott_ceasefire3_hpMain_1x1_608.jpg","medium":"https://s.abcnews.com/images/GMA/260423_gma_scott_ceasefire3_hpMain_1x1_992.jpg","large":"https://s.abcnews.com/images/GMA/260423_gma_scott_ceasefire3_hpMain_1x1_1600.jpg"}}]}},{"contentType":"video","date":"April 22, 2026","headline":"Fallout after Fed nominee grilled on Capitol Hill","section":"News","slug":"/video/132266872","id":"132266872","image":{"alt":"VIDEO: Fallout after Fed nominee grilled on Capitol Hill","credit":"ABCNews.com","ratio":"1x1","url":"https://s.abcnews.com/images/GMA/260422_gma_schulze_fed3_713_hpMain_1x1_608.jpg","width":384,"height":384},"images":{"alt":"VIDEO: Fallout after Fed nominee grilled on Capitol Hill","credit":"ABCNews.com","crops":[{"16x9":{"small":"https://s.abcnews.com/images/GMA/260422_gma_schulze_fed3_713_hpMain_16x9_608.jpg","medium":"https://s.abcnews.com/images/GMA/260422_gma_schulze_fed3_713_hpMain_16x9_992.jpg","large":"https://s.abcnews.com/images/GMA/260422_gma_schulze_fed3_713_hpMain_16x9_1600.jpg"}},{"9x16":{"small":"https://s.abcnews.com/images/GMA/260422_gma_schulze_fed3_713_hpMain_9x16_608.jpg","medium":"https://s.abcnews.com/images/GMA/260422_gma_schulze_fed3_713_hpMain_9x16_992.jpg","large":"https://s.abcnews.com/images/GMA/260422_gma_schulze_fed3_713_hpMain_16x9_1600.jpg"}},{"1x1":{"small":"https://s.abcnews.com/images/GMA/260422_gma_schulze_fed3_713_hpMain_1x1_608.jpg","medium":"https://s.abcnews.com/images/GMA/260422_gma_schulze_fed3_713_hpMain_1x1_992.jpg","large":"https://s.abcnews.com/images/GMA/260422_gma_schulze_fed3_713_hpMain_1x1_1600.jpg"}}]}}],"relatedContentSection":"news","schemaContent":{"name":"Mnuchin tells Greta Thunberg to study economics ","description":"\"Is she the chief economist or who is she? I'm confused,\" he said as a \"joke.\"","duration":"1:10","uploadDate":"01-23-2020","publication":"01-23-2020","images":"https://s.abcnews.com/images/GMA/default-img-undefined.png","url":"https://service-pkgabcnews.akamaized.net/opp/hls/abcnews/2020/01/200124_vod_gretaresponseMIX_,500,800,1200,1800,2500,3200,4500,.mp4.csmil/playlist.m3u8","contentUrl":"https://service-pkgabcnews.akamaized.net/opp/hls/abcnews/2020/01/200124_vod_gretaresponseMIX_,500,800,1200,1800,2500,3200,4500,.mp4.csmil/playlist.m3u8","link":"https://www.goodmorningamerica.com/news/story/steve-mnuchin-tells-greta-thunberg-study-economics-discussing-68478525"}},"playlist":[{"id":"132510121","contentType":"story","section":"news"},{"id":"132473181","contentType":"story","section":"news"},{"id":"132497933","contentType":"story","section":"news"},{"id":"132281378","contentType":"story","section":"news"},{"id":"132283010","contentType":"story","section":"news"},{"id":"132273278","contentType":"story","section":"news"},{"id":"132231169","contentType":"story","section":"news"},{"id":"132206748","contentType":"story","section":"news"},{"id":"132200241","contentType":"story","section":"news"},{"id":"132054443","contentType":"story","section":"news"},{"id":"132054798","contentType":"story","section":"news"},{"id":"132033010","contentType":"story","section":"news"},{"id":"131912713","contentType":"story","section":"news"},{"id":"131830583","contentType":"story","section":"news"},{"id":"131834976","contentType":"story","section":"news"},{"id":"131554765","contentType":"story","section":"news"},{"id":"131554815","contentType":"story","section":"news"},{"id":"131543053","contentType":"story","section":"news"},{"id":"131432442","contentType":"story","section":"news"},{"id":"131121474","contentType":"story","section":"news"}],"kvps":{"pgtyp":"article","lang":"en","sp":"goodmorningamerica","programmatic":"true","bundleId":"com.abcnews"}},"analytics":{"accountID":"wdgnewwdgnewgmaweb","ns":"gma","pageName":"gma:news:video","pageType":"video","globalSpecVersion":"v1.08","siteDifferentiator":"gma:site","tagID":"g_page01","userABCookie":"0","section":"news","title":"Mnuchin tells Greta Thunberg to study economics ","pubTime":"10:10","pubDate":"01-23-2020","modTime":"17:16","modDate":"01-25-2020","taxonomyTags":"none","id":68478525,"editorialOtherSubjects":"","wordCount":"none","columns":"none","authors":"","authorsUnit":"none","authorsBureau":"none","subBrand":"Good Morning America","provider":"Good Morning America","videoName":"Mnuchin tells Greta Thunberg to study economics ","mediaAssetTitle":"STEVE MNUCHIN TELLS GRETA TO STUDY ECONOMICS","videoId":68478525,"mediaOnPage":"video","legacySlug":"/news/story/steve-mnuchin-tells-greta-thunberg-study-economics-discussing-68478525"},"taboola":{}},"request":{"headers":{},"httpVersion":"1.1","method":"GET","url":"/video/68478525","vary":{"host":"www.goodmorningamerica.com","cached":true,"path":"/video/68478525","forwarded-proto":"https","device":"desktop","userab":"0"}},"viewport":{"width":1260,"height":0},"user":{}};