Replacing the US nuclear guarantee with a French nuclear umbrella for Europe would face major political and logistical challenges. Nevertheless, given the growing un­certainty in Europe and Asia, the German government should consider scenarios and options that go beyond today’s deterrence...

While a second Trump Presidency would be challenging for transatlantic ties, US nuclear assurances to its NATO allies in Europe would likely be the last casualty - not the first - of a fraying relationship. There is an intrinsic incompatibility between the United States completely abandoning its...

Plurilateral initiatives are again gaining importance in climate diplomacy as a complement to multilateral efforts – not least in view of the lack of progress in implementing the Paris Agreement and more difficult conditions in the UN process. New alliances are expected to facilitate agreement...

Almost two years after the publication of the "Integrated Review", the British govern­ment has updated its security strategy. This "refresh" is primarily intended to adapt to the rapidly advancing development towards a contested and fragmented global order. Without indicating a radical shift,...

Seit Netto-Null-Ziele ein integraler Baustein der Klimapolitik sind, wird verstärkt darüber nachgedacht, zusätzlich zu einer drastischen Reduzierung der Emissionen Kohlen­dioxid (CO2) aktiv aus der Atmosphäre zu entfernen. Die Herausforderungen, die mit landbasierten Methoden der...

Knapp zwei Jahre nach der Veröffentlichung der "Integrated Review" hat die britische Regierung ihre Sicherheitsstrategie aktualisiert. Diese 'Auffrischung' soll vor allem der schnell voranschreitenden Entwicklung zu einer umkämpften und zersplitterten Weltordnung Rechnung tragen. Ohne ein...

The "Zeitenwende" in international politics implies a need to improve strategic thinking and better prepare for future challenges. Germany is already doing so by drafting strategic documents on national security and relations with China. With respect to Russia, a similar approach suggests...

Angesichts der Gaskrise und der russischen Invasion der Ukraine ist der Markthochlauf von Wasserstoff noch dringlicher geworden für die europäische und die deutsche Energiepolitik. Die ehrgeizigen Ziele für grünen Wasserstoff stellen die Europäische Union (EU) und die junge...

The competition for carbon capture, storage, and utilisation is intensifying. Historically dominated by North America, the lead in this technology is now being seized by key players across Asia - reaching from Saudi Arabia to Japan. Unlike traditional energy (transition) geopolitics, this new...