Proceedings of the Fourth International Conference on Environmental Science and Technology (EST 2023)

This is an open access book. We are delighted to announce that our biannual meeting this year will be held in person in Ulaanbaatar, Mongolia on August 10-11, 2023. The primary goal of EST 2023 is to bring academic scientists, researchers, and scholars from diverse institutions in various countries to share their knowledges and findings on the rapidly changing environment and its challenges due to climate change.