(including but not limited to the following submission topics)
1. Environmental pollution:
Environmental pollution control technology
Environmental remediation technology
Air pollution control project
Water pollution control project
sewage disposal
Soil pollution control
Solid waste treatment and resource utilization
environmental monitoring
Radioactive pollution control
Comprehensive prevention and control of environmental pollution
Electromagnetic radiation control
Thermal pollution control
Microbiology of Environmental Engineering 
Environmental noise control engineering
Power Plant Water Treatment Technology
Environmental hygiene
Monitoring and analysis of pollutants
Greenhouse effect and climate change
Pollution control, prevention, and treatment technology
Environmental Engineering and Sustainable Development
Environmental Mechanics
Environmental pollution and health issues
Meteorology, Hydrology
Green Manufacturing and Technology
renewable energy
Soil pollution and control
Air pollution and treatment
Water pollution and its control
Air Pollution Control Plan
Solid waste treatment and recycling
Comprehensive Prevention and Control of Environmental Pollution
Environmental engineering microorganisms
Sanitary equipment and systems
Pollutant monitoring and analysis
Etc;
2. Green energy:
Renewable energy, including modeling, operation, control, and integration
Security and elasticity of community level microgrids
Solar power generation system
Management and Sustainability of Energy and Water Resources
Development of smart grids
Integration of renewable energy technology with smart grids
Energy and Power Engineering
Energy efficiency and management
Energy storage, fuel cell technology and trends
Thermal and Power Engineering
Clean Development Mechanism 
Thermal Hydraulic and Safety Analysis of Nuclear Reactors
Non stationary thermodynamics and its engineering applications
Theory of Heat and Mass Transfer and Application of Biomass Energy
Simulation Control and Integration in Energy Power System Processes
Clean and efficient combustion and energy conservation and emission reduction
fuel cell
Biomass and biofuels
Waste to Energy
energy management
Energy security and clean utilization
Energy management control system
Bioenergy
passive solar building 
Sustainable architecture
Energy and Architecture
Economic feasibility of renewable energy systems
renewable energy
fossil fuel
nuclear energy
Advanced energy technology
Renewable and Clean Energy
Energy management and sustainable development
Waste treatment and recycling
Water supply and drainage engineering
Noise and vibration control
Clean production process
Biomass energy engineering
Energy and chemical engineering
Energy saving lighting products and technologies
Hydrology and Water Resources Engineering
Energy conservation, environmental protection, and low-carbon concepts
optics
Green catalytic chemistry
Environmentally friendly and green materials
Wind energy application
Photovoltaic power generation
New energy equipment
Etc;