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Commentary

Greenland, the United States and Arctic security: Towards a credible and principled Transatlantic response

Trump’s decision at Davos to temper earlier calls for US “ownership” of Greenland has lowered the immediate diplomatic temperature. Yet Greenland continues to occupy a central place in US defence planning and geoeconomic strategy, and the broader Arctic remains shaped by renewed Russian military activity and expanding Chinese economic interests. The underlying strategic drivers, therefore, persist, even if the rhetoric has softened. YGLN members write that this will have consequences for Europe and beyond, requiring increased cooperation and strengthening alliance cohesion.

9 March 2026 | Federica Dall’Arche, Alexandra Filippenko, Gabriella Gricius, Henrik Larsen and Nikita Gryazin
Russia-West relationsArcticNATOTransatlantic relationsUnited StatesYGLN
Commentary

Greenland was not an anomaly: An America guided by Trump’s global strategy requires more unity, toughness, and discernment from Europe

As the Greenland episode winds down following President Trump’s announcement of a “framework for a deal,” former U.S. diplomat Paul Fritch argues the saga was never about territorial acquisition, but a stress test of alliance cohesion in a world where Washington no longer treats cooperation and restraint as strategic virtues. The episode has exposed the limits of Europe’s cautious response to an America guided by hard power and transactional logic; he argues European leaders need to better understand what Trump views as weakness, and change their approach accordingly.

28 January 2026 | Paul Fritch
ArcticDefenceDiplomacyEUEuropeInternational LawNATOUnited States
Commentary

Building Europe’s “drone wall”: Embracing and scaling cheap defensive technologies

Russia’s full-scale invasion of Ukraine has made drone warfare a defining feature of modern conflict. Yet NATO and EU states continue to rely on interceptor systems that cost orders of magnitude more than the drones they are meant to destroy. Drawing on lessons from Ukraine’s battlefield experience, Gabriella Calder argues that European allies must urgently scale up affordable, interoperable counter-drone technologies, or risk exhausting their arsenals before deterrence can take hold.

16 December 2025 | Gabriella Calder
Russia-WestRussia-West relationsAir spaceDefenceDeterrenceEmerging technologiesEuropeNATORussiaUkraine
Policy brief

Tried and tested: Why the CTBT must be preserved

President Trump’s recent statement about the US resumption of nuclear testing has heightened concerns over a renewed arms race and the erosion of the global norm against nuclear testing enshrined in the Comprehensive Nuclear-Test-Ban Treaty (CTBT). This new policy brief from the ELN’s Protecting the Nuclear Non-Proliferation Treaty project argues that the CTBT reinforces the NPT by bolstering the nuclear non-proliferation norm and constraining the development of new nuclear warhead types: sustaining it is a strategic imperative. States Parties to the NPT must work together to strengthen the CTBT’s credibility and relevance to international security and prioritise collective multilateral action over short-term security gains.

4 December 2025
NPTMultilateral Arms Control, Disarmament and Non-ProliferationNPT ProjectCTBTEUNATONPTNuclear SecurityNuclear WeaponsELN