In this evidence, we explain that the increasing geopolitical tensions in the Arctic resulting from Russia’s war of aggression in Ukraine have weakened Arctic governance and compromised climate science and polar research. However, the UK can play a positive role in driving innovation, research and security governance in the High North. The UK has a comparative advantage due to its combined scientific and maritime power that grants HM Government the ability to influence both security and scientific stakeholders. This is a key aspect since sustainability and security in the Arctic require science and innovation but also the commitment of shipping companies, maritime insurances, regulators, and enforcement agencies