The Radisson Blu Royal Hotel brand, operating hotels in Brussels, Dublin, Barcelona, Rome and other capitals, has received the the Green Key Award for its sincere adherence to environmental requirements. This award is granted to hospitality and leisure organizations. Estimates are given according to a set of criteria.
These include rational use of water resources, electricity and efforts to control the amount of waste. Besides, the criteria include policy requirements, eco-education, business plans and communication. This is just the common international criteria. In turn, each country comes up with a share of its own national criteria with an emphasis on national law system, economic structure, climate issues, local traditions and culture, etc.