On the 26 – 30 July 2021, Dr. Kamil  Mansoor  Yousif, a member of the Environmental Sciences Dept., University of Zakho, participated  via the ZOOM online platform, in an international academic conference [World Renewable Energy Congress – 2021, Lisbon, Portugal].

The International Conference was hold in Dept. of Civil Eng. & Architecture, Instituto Superior Técnico, Lisbon , Portugal.Dr. Kamil M. Yousif gave a presentation entitled "Investigation of the Effect of Annealing  Temperature of Perovskite Layer   on Performance of Perovskite Solar Cells ‘‘

The conference was organized by the World Renewable Energy Network , in cooperation with Instituto Superior Técnico, Lisbon . It involved participants from different academic institutions over the world.