Environmental Management Training Courses in Northern Ireland NI Upcoming Courses NEBOSH Certificate in Environmental ManagementMay 2 @ 8:00 am - 5:00 pmNEBOSH Environmental Management CertificateAugust 1 @ 9:00 am - 5:00 pmNEBOSH Certificate in Environmental ManagementOctober 31 @ 8:00 am - 5:00 pm