"Blah, blah, blah..." Greta Thunberg has BLASTED world leaders at a youth summit in Italy, accusing them of not taking action on their climate change promises. UK Prime Minister Boris Johnson copped the worst of the 18-year-old's criticism, as she called his "build back better" motto just "empty words and promises". Full story, 6pm on #9News | 9 News

"Hope doesn't come from politicians' "blah blah blah." Climate activist Greta Thunberg blasts world leaders for their "empty promises" on climate change policy while speaking at a climate march in Milan, Italy. According to organizers, around 50,000 people took part, marching through the streets while the Pre-COP26 summit continued in the city. | Newsweek