Here are a few options for a formal title, depending on the specific context:
Option 1 (Most direct and formal):
Call for Applications: Enhancing the Capacity of Northern Radio Stations to Mitigate Disinformation and Foster Peace
Option 2 (Action-oriented):
Request for Proposals: Strengthening Northern Radio Broadcasting for Disinformation Resilience and Conflict Transformation
Option 3 (Concise and institutional):
Call for Applications: Empowering Northern Media Outlets to Counter Disinformation and Promote Sustainable Peace
Recommendation: Option 1 is the most standard phrasing for professional grant or project solicitations.