Some of the world’s most treasured art works have been under attack in the last few weeks. Paintings by Van Gogh, Picasso and Monet have been doused in food by climate activists trying to draw attention to the urgent climate crisis. So is this plea for action working? And why are activists turning to this kind of protest?  Today, national correspondent for The Saturday Paper, Mike Seccombe, on the divide within the environmentalist movement, and what is driving protesters towards desperate action. Socials: Stay in touch with us on Twitter and Instagram Guest: National correspondent for The Saturday Paper, Mike Seccombe.