Since environment is the cross-cutting issues, it covers wide ranges of working sectors and sub-sectors.
The sectors and sub-sectors covered by ESN are:
- Agriculture and Forestry
- Community Development
- Disaster and Climate Risk Management
- Ecosystem and Natural Resource Management
- Eco-Tourism
- Energy
- Environmental Development (Solid Waste Management, Water Treatment, Waste Water Treatment, Air Pollution Control, Noise Pollution Control, Environmental Reclamation)
- Heritage Conservation
- Industrial Environment
- Infrastructure Development (transportation, irrigation, water supply and sanitation, sewerage, hydropower, building)
- Knowledge Sharing and Transfer
- Local and Regional Planning
- Public Health
- Urban Development