I have posted about this seminar before. Originally the seminar was going to take place in March but it has been rescheduled to June 13-16. The deadline for submission has shifted as well to February 15th. This is a unique seminar with some great people in the field of environmental and sustainability participating. Have a look here for the key info. https://www.cdo.ugent.be/news/call-proposals-15th-invitational-seminar-ese-research