Serving as an open forum for sharing and spreading the newest ideas and latest research findings among all parties involved in any aspects of Energy Science and Environmental Chemistry, ICESEC 2021 will be an ideal platform for bringing together researchers, practitioners, scholars, professors and engineers from all around the world to exchange the newest research results and stimulate the scientific innovations. The conference will be organized by Hubei Zhongke Institute of Geology and Environment Technology every year in different locations all around the world, to foster the knowledge and understanding of the recent advances across the broad field of Energy Science and Environmental Chemistry. The ICESEC 2021 conference committee is excited to invite you to attend the event, for meeting and exchanging the recent advances and research achievements in the common research fields.