PREFACE

It is our great pleasure to welcome all of you to 2019 International Conference on Resources and Environment Sciences (ICRES 2019) which was held on 8-10 August, 2019, Jeju Island, South Korea. ICRES 2019 is dedicated to issues related to Resources and Environment Sciences. ICRES 2019 is highlighted by several professional speakers. Prof. Khaled M. Bali, University of California, San Diego, USA; Prof. Dennis Y.C. Leung, the University of Hong Kong, Hong Kong; Prof. Koh Hock Lye, Sunway University, Malaysia; Prof. Byoung Ryong Jeong, Gyeongsang National University, South Korea had attended the conference as keynote speakers. It was a golden opportunity for students, researchers and engineers to interact with the experts and specialists to get their advice or consultation on technical matters, dissemination and marketing strategies. There were four sub-sessions and one poster session with different topics: Animal Nutrition and Animal Husbandry Production, Renewable Energy and Environmental Science, Agriculture and Environmental Technology, Ecology and Hydrogeology. This proceeding presents a selection from papers submitted to the conference from universities, research institutes and industries. It has five chapters with topic: Waste Treatment and Recycling, Environmental Geology, Environmental Science and Technology, Air Pollution, Ecosystem Management. All papers were subjected to peer-review by conference committee members and international reviewers. The papers were selected based on high quality and relevancy to the conference scope. We would also express our sincere gratitude to organizing committee and the volunteers who had dedicated their time and efforts in planning, promoting, organizing and helping the conference. Prof. Dennis Y.C. Leung the University of Hong Kong, Hong Kong 2019-09-20