If the EU wants to achieve net zero emissions by 2050, enacting conventional climate change mitigation measures to avoid emissions of greenhouse gases will not be enough. To compensate for unavoidable residual emissions, unconventional measures to remove CO2 from the atmosphere will also be...

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...