Challenge Call for Proposals for innovative solutions for the green transition of the Serbian economy23.02.2023.EU invitations open Programme:Other programs Opening date: 23.02.2023 Deadline for submitting project proposals: 31.12.2026 LINK: Повезане вести FIRST CALL FOR PROPOSALS 04.05.2023. FIRST CALL FOR PROPOSALS 04.05.2023. (Српски) Глобални фонд за иновације 02.03.2023.