1. Materials and environment.
2. Environmental protection. Prevention against the degradation of environmental factors.
3. Management of natural and man-made ecosystems
4. Technologies and technological processes
5. Technologies with low impact on the environment. Ecological technologies
6. Ecological technologies for energy and agriculture
7. Technologies with low environmental impact in industry
8. Wastewater treatment technologies
9. Equipment for the protection of the atmosphere
10. Soil and groundwater depollution
11. Ecological rehabilitation of polluted sites
12. Waste treatment and recovery technologies
