Cairo - Egypt asserted that regional integration is one of the most important mechanisms in achieving sustainable development in the Arab world which faces a lot of challenges, including the rise of unemployment and poverty rates as well as terrorism. Addressing the Arab Sustainable Development Week, that was held in the Arab League, and on behalf of President Abdel Fattah El-Sisi, Minister of Social Solidarity, Ghada Wali, pointed out and reminded attendees of the president's speech at the UN General Assembly in September 2015, in which he expressed Egypt's keenness on achieving sustainable development and improving the living standards of all Egyptians.