Environmental activists stage a protest at the venue of Cop28 in Dubai. Many believe the climate summit will be unsuccessful if the final agreement does not refer to 'fossil fuel phase-out'. Photograph: Karim Sahib/AFP via Getty Images Welcome to this week’s IT Sunday, another Cop28 special edition written by The Irish Times’s Environment and Science Editor Kevin O’Sullivan. The opening days of Cop28 in Dubai were infused with optimism. A deal on “loss and damage” to support countries already being devastated by severe global warming was got over the line during the opening hours – not the usual pace of…