The Office of Academic Resources and Information Technology, Phetchaburi Rajabhat University, organized a training session on energy and environmental conservation on the topic of “Pollution and Waste Management”. Lecturers in the Department of Science and Technology, Faculty of Science and Technology, were the lecturers. The objective is to provide personnel with knowledge and understanding in the field of energy and environmental conservation and also to create awareness in the cost-effective use of resources. To reduce the generation of pollution and solid waste, which is a source of accumulation of germs and air pollution as well. The content of the course is as follows: pollution and waste that occurs in the office, both water and air, effects of pollution and waste, sources of pollution and waste, ways to reduce the impact of water and air pollution within the office, management of waste and garbage in the office, principles of Reuse, Reduce, Recycle and Replace.