Tourism and Nature
Environmental sustainable development
Environmental issues
Resource and territorial management
Economic and social impact
greenhouse effect
Global warming
climate change
Green Energy and Technology
simulation model 
Projection illusion
Food and Agriculture
Climate change solutions
environmental protection
Safety and Protection
Tourism policies
Ecotourism
Tourist behavior
Heritage tourism
Tourism in the ocean and coastal areas
Tourism impact
Industrial tourism
Tourism and protected areas
rural tourism 
Black tourism
Transportation and Tourism
Electronic tourism industry
Food sightseeing
Tourism landscape
Local community
Medical and Health Tourism
hotel management
Finance and tourism industry
Ecological economy
Resource economy
Energy economy
low-carbon economy
industrial economy
urban economy 
Environmental Economy
economic policy
economic system
Tourism economy
Accounting research
Financial Economics
Regional ethnography
Empirical Economic Research
Finance, taxation, labor economy
Financial markets and investment
Behavioral Economics and Decision Making