On behalf of the organizing committee, please allow me to extend my warmest congratulations to the conference, we are pleased to welcome you to 2023 the 7th International Conference on Energy and Environmental Science (ICEES 2023) on Jan 6-8.

The theme of the conference is devoted to expanding academic communication, promoting mutual understanding and following the advanced studies focusing on the Energy and Environmental Science and related technologies. The conference features peer-reviewed presentations showcasing the latest technologies, applications and services, keynote talks from renowned academics, special session. ICEES aims to offer a platform for the scholars from the world to gather for communications. This year, the speaking scope is in the range of Energy and Environmental Science including Clean Energy Technology, Energy Efficiency and Energy Conservation; Phase Change Materials, Energy Storage Technology and Thermal Engineering; Solar Photovoltaic Technology and Multi-energy Complementary System; Ecological Risk Assessment and Ecological Environment Protection; Pollutant Emission Monitoring and Life Cycle Assessment, etc.

We believe that by this excellent conference, you can get more opportunity for further communication with researchers and practitioners with the common interest in this field. We are dedicated to higher and better international conference experiences. We will sincerely listen to any suggestions and comments.