Home Current News Greta Thunberg fires back after Treasury Secretary Steven Mnuchin says she isn’t...NewsCurrent NewsGreta Thunberg fires back after Treasury Secretary Steven Mnuchin says she isn’t qualified to lecture the US on climate changeJanuary 23, 202068FacebookTwitterPinterestWhatsApp “Is she the chief economist or who is she? I’m confused,” Mnuchin joked about the Swedish teenager’s call for America to quit fossil fuels.Source: yahoo.com/news