Chairman of Qatar’s Administrative Control and Transparency Authority (ACTA) , HE Abdullah bin Hamad Al Attiyah, who is also the President of the Climate Change Conference (COP18) met here today with Japan’s Environment minister, Hiroyuki Nagahama. The two officials discussed, during their meeting, top issues of common concern and the latest preparations of the COP18 due to be held in Doha in November . Qatar’s ambassador to Japan HE Yusuf Bin Mohamed Bilal attended the meeting along with the accompanying delegation of HE Al Attiyah.