(The following topics include but are not limited to)
Tourism and Nature
Environmental sustainable development
Environmental issues
Resource and territorial management
Economic and social impact
greenhouse effect
Global warming
climate change
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
Green Energy and Technology
Projection illusion
Food and Agriculture
Climate change solutions
environmental protection
Safety and Protection
marine economy
Energy industry economy
Resource market analysis
Energy Enterprise Management
Energy trade
Tourism economy
Environmental Protection and Economy
leisure time
Customer oriented tourism services
IT Tourism/Tourism Hygiene and Health
Sustainable tourism industry
Environmental changes and economic impacts