Complex sentence: Editorial policy calls for the "publication of unpublished stories, discovered by citizens": to comment on existing information and carry out criticism of its treatment in the media, especially in areas where there is a climate of mistrust about it.
Split into simpler sentences: Editorial policy calls for the "publication of unpublished stories, discovered by citizens". To comment on existing information and carry out criticism of its treatment in the media, especially in areas where there is a climate of mistrust about it.