Stay up to date with notifications from The Independent Notifications can be managed in browser preferences. All News Sport Culture Lifestyle Former prime minister Tony Blair at a climate summit in Vienna (AFP/Getty) Sir Tony Blair and former Italian premier Matteo Renzi have urged European leaders, including Sir Keir Starmer, to overhaul their energy strategies to prioritise supply and affordability. They stressed that while decarbonisation is “essential”, it cannot be pursued in isolation, warning that geopolitical shocks, such as the conflict in the Middle East, have left Europe “hopelessly exposed”. A new report from the Tony Blair Institute (TBI) suggests that future global energy leaders will be those providing “abundant, secure and affordable energy at scale”. The report criticises decisions by the UK and Denmark to phase out fossil fuel production, arguing these have made the region more vulnerable to international markets during unstable times.…