Climate activists in Italy poured green dye into Venice’s famous Grand Canal on Saturday, in a colourful protest to draw attention to their calls for drastic action amid the United Nations climate conference. Members of the Extinction Rebellion protest group abseiled from the Rialto Bridge over the canal on Saturday afternoon and poured dye into the water, the group said on social media, turning the water into a shimmering green. Three Extinction Rebellion activists suspended themselves and unfurled a large poster reading, “COP28: While the government talks, we hang by a thread,” images showed…