The COP26 climate change summit will be held soon in Glasgow. Just a few hundred miles away in the North Sea, a particularly thorny problem is developing. Approval for developing the Cambo oilfield was given twenty years ago, and a regulator is due to give final approval, releasing approximately 800 million barrels of oil for Shell and Siccar Point Energy. Ministers and advisers insist that the approval of Cambo is entirely in the hands of the oil and gas regulator. But Labour leader Sir Keir Starmer is accusing Boris Johnson of delivering a cabaret of soundbites rather than the global leadership necessary to make the climate change summit a success. There is a near-impossible balancing act for the Government to protect its credibility while urging other countries to increase emission reduction.