It is with great honour; we present the proceedings of the 2nd International Conference on Environmental Ecology of Food Security (ICEFS) which was organized by the Socio-Economic Department Faculty of Agriculture, the University of Mataram in collaboration with the Faculty of Agriculture University of Mataram, Study program of Agribusiness Hasanuddin University, Faculty of Agriculture Universitas Halu Oleo, Universitas Negeri Gorontalo, Faculty of Agriculture Universitas Tadulako, Politeknik Pembangunan Pertanian Gowa, Faculty of Agriculture Universitas Sulawesi Barat, Faculty of Agriculture Universitas Udayana, Faculty of Agriculture Universitas Nusa Cendana, LPPM Universitas Musamus Merauke, Indonesian Agricultural Economic Association (PERHEPI), Agriculture Association of Indonesia, Nutrition and Food Experts Society of Indonesia, and Indonesian Agronomy Association and held in the 19-20 of May 2022. The Proceedings of the previous conferences in this series have been published in the IOP conference series: Earth and Environmental Science (EES).The proceeding of the 2nd ICEFS 2022 consists of 134 reviewed papers. The conference included speakers who were experts in the fields covered by the conference: Dr. Janet Reid from Massey University, New Zealand, Dr. Carol Levin from the University of Washington, Dr. Iean Russel from FAO, and Prof. Taslim Sjah from the University of Mataram.This international conference was held successfully thanks to the support and assistance of various parties. On this occasion, allow us to convey our appreciation to the speakers, Faculty of Agriculture, University of Mataram, all university partners, speakers, participants, Indonesian Agricultural Economics Association, Agribusiness Association of Indonesia, Nutrition and Food Experts Society of Indonesia, Indonesian Agronomy Association, and all partners who have supported the implementation of the 2nd ICEFS 2022. I would also like to thank all of the committee members for their dedicated and coordinated efforts for this conference. Finally, I hope that the conference will provide a meaningful international forum for sharing knowledge, expertise and experiences; and also cultivate more networking to strengthen efforts to sustain food security in the changing climate.Warm Regards,Dr. Ir. Halimatus Sa’diyah, M.Sc.The Chief CommitteeSocio-Economic Department Faculty of Agriculture University of MataramList of Conference Committees are available in this pdf.