The Department of Environmental Science and Engineering (DESE), School of Science, Kathmandu University would like to thank all students, faculties and staff who have stayed safe and active even in lockdown situation due to COVID-19 pandemic which started since 24 March 2020 in Nepal. Since then our University has been closed and many are working from home. Few groups of undergraduate and graduate students of different years have already started revision of few courses and some have already star...