The 20th session of Council of Arab Ministers concerned with environment started here today at the League of Arab States' headquarters. The meetings will discuss several environment-related issues in Arab region, particularly preparations for the International Conference on Climate change, and following up on the sustainable development initiative in the Arab region. The Saudi delegation to the meeting was led by Prince Turki bin Nasser bin Abdul-Aziz, General President of the Presidency of Meteorology and Environment and Chairman of the Executive Office of Council of Arab Ministers Responsible for Environmental Affairs.