'Years of blah blah blah': Greta Thunberg at Youth4Climate event

Greta Thunberg and fellow youth campaigners struck a skeptical tone for this week's climate talks in Italy, saying much has been promised but little done to tackle global warming in almost three decades since the landmark Earth Summit. #GretaThunberg #Youth4Climate #climatechange #News #Reuters Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en