(The following topics include but are not limited to)
Groundwater remediation
Groundwater management
Water Resources and Basin Management
Management Practice
Development of water quality target standards
Water quality classification
Sewage and sludge treatment
Sludge treatment and reuse
global warming
Ozone depletion
Carbon capture and storage
Biofuels
Air pollution and control
Air emissions trading
Solid waste management
Optimization of collection system
Recycling and reuse
Stable prices of waste
resource management
Technical aspects of treatment and disposal methods (landfill, heat treatment, etc.)
Management of hazardous solid waste
Sustainability of society and environment
Agricultural and forestry biomass energy and materials
Alternative Energy Technologies and Applications
Clean energy systems and technologies
Clean production process
Energy saving technology
Green electricity production and cogeneration
Hydrogen and Fuel Cell Technology
Low carbon technology
Research on New Energy Conversion
Thermodynamics and Energy Optimization
Sustainable Energy and Environment
green manufacturing 
Agricultural sustainability
Zero energy building
Waste management
energy management
Energy Policy and Economy
Energy saving system
Sustainability of process industry
Energy security and clean use
Green infrastructure