“leisure/recreation/tourism” becomes an important source in many countries to earn the foreign exchange. In the 21st century, the government of the R.O.C. has considered “leisure/recreation/tourism” as an important part of the administration plan. A series of programs, including “Plan for Double Inbound Tourist” have thus been pushed forward in order to attract more inbound tourists to Taiwan. Especially the development of science and technology civilization has brought serious impact on the environment. This paper thus proposes some suggestions regarding International thoughts of environmental protection to cope with the challenges of leisure/recreation/tourism development in summary.