Environmental Management Training Courses in Northern Ireland NI NEBOSH Certificate in Environmental ManagementMarch 30 @ 8:00 am - 5:00 pmNEBOSH Certificate in Environmental ManagementOctober 4 @ 8:00 am - 5:00 pmNEBOSH Environmental Management CertificateOctober 4 @ 9:00 am - 5:00 pm