 In the elections for the 17th Knesset he was placed in the 12th place on the Meretz list but was not elected.Arieli conducts numerous media appearances, lectures and field tours on the main issues of the conflict to people from various sectors of Israeli society, including public figures, academia, security and the media.Arieli published a series of articles and books in Hebrew and English, concerning the conflict and the political process, as well as articles of opinion in the press.