With regards to the conservation, environment and tourism I could use some understanding on the given questions.
In what was is "sustainability" merely a new name for an old issue?
In what manner is "sustainability" something new and different?
Sustainable means to conserve, development, means to develop the conservation stands for development.
The main concept of sustainable development has been around for a few decades. The fundamental definition is using resources to meet up the requirements of society while making sure their capability to meet up the needs of future.