Multilateral initiatives and cooperation can be effective means to increase ambition and action to achieve the goals of the Paris Agreement. This synthesis report summarizes the proposals for new initiatives in four policy fields – energy transition, synthetic e-fuels, sustainable food systems and forest protection. It further analyses interactions, synergies and trade-offs between the policy fields, and identifies relevant actors and countries. The report concludes with recommendations how the initiatives could be implemented in processes connected to UNFCCC, the G7 or G20 and in cooperation with the US.