(Topics include but are not limited to)
Sustainable Development Goals
Ecological economy
circular economy
Purple Economy
low-carbon economy
fair trade
Green living
Corporate Social Responsibility 
Sustainable entrepreneurship
Sustainable economic development
Ecology and Circular Economy
thermal engineering 
Nuclear power engineering
wind power generation
Storage technology
Efficient and energy-saving lighting products and technologies
Green and environmentally friendly building materials and energy-saving buildings
Biomass energy engineering
Hydrogen energy and fuel cells
Energy technology
energy conversion 
energy efficiency 
Energy storage
Energy planning
thermodynamics
Energy system and energy analysis
New energy vehicles