Corrado Clini, Director of Department for Global Environment International and Regional Convention, Ministry for Environment and Territory, Italy, visiting professor of Tsinghua University, visited EU-China Clean Energy Center(EC2) located at SOE on the afternoon of 10th March. YU Gang, dean of SOE accompanied him in the visit. During the visit, professor Clini fully confirmed the archievements of the year after the establishment of the center, and highly appreciated the vigorous support Tsinghua University and SOE provided. He looked forward to a closer cooperations bewteen both sides in future.