Greta Thunberg roasts world leaders for being ‘blah, blah, blah’ on climate action

Swedish activist Greta Thunberg mocked world leaders — including US President Joe Biden and the UK’s Boris Johnson — at a youth climate summit in Milan on Tuesday, saying the last 30 years of climate action had amounted to “blah, blah, blah.”Swedish activist Greta Thunberg mocked world leaders — including US President Joe Biden and the UK’s Boris Johnson — at a youth climate summit in Milan on Tuesday, saying the last 30 years of climate action had amounted to “blah, blah, blah.”