At the invitation of the School of Resources and Environment Engineering, ECUST, Professor Joshua E. Muscat of the School of Medicine, Pennsylvania State University visited ECUST on December 14th, 2019. Professor Joshua E. Muscat taught a short-term English course of “Application of environmental biotechnology to the treatment of wastewater and waste” for graduate students and international students majoring in environmental science and engineering. This course is part of the all-English training program for graduate students of the School of Resources and Environment Engineering.