The cognitive subjects certified by the the Environment sector are the following:
- Operation and Maintenance of Wastewater Treatment Systems - Biological Cleaning
- Solid Waste-Refuse Management and Recycling
- Sanitary Landfills Operation and Maintenance
- Environmental Protection and Product Recycling
UNICERT SKILLS Certification Scheme in the Environment Sector is accredited by ESYD Hellenic Accreditation System in accordance with ISO/IEC 17024:2012, which proves that the certification process is done impartially and with documented adequacy while at the same time recognizes and accepts the certificate as equivalent from the National Accreditation Bodies of the E.A. (European cooperation for Accreditation).