Tzipi Livni parties to agree to join a new coalition under Prime Minister Benjamin Netanyahu, forming the thirty-third government of Israel. According to the coalition agreement negotiated between Hatnuah and Likud, Livni was appointed justice minister, as well as chief negotiator with the Palestinian Authority. As environmental issues constituted a central plank in Hatnuah's platform, Livni required her party be given the environmental protection ministry, to which she appointed Amir Peretz. Fulfilling her constitutional duty as Justice Minister, Livni served as chairwoman of the powerful Ministerial Committee on Legislation. Given her clout and experience with Western leaders, Netanyahu unofficially charged Livni with
Tzipi Livni the UN Security Council was influenced by his talks with Livni and former president Shimon Peres, who said such a move could serve the political interests of those opposing the peace process. After the dissolution of the Knesset in December 2014, Labor leader Isaac Herzog and Livni announced a joint slate between Labor and Hatnuah, called the Zionist Union, to contest the 2015 elections in an effort to keep Netanyahu, leader of the Likud Party, from securing a fourth term as prime minister. They proposed to share the role of prime minister (an arrangement known in the Knesset as rotation)