Synopsis Tourism industry is profoundly effected by climatic changes. Global climate change is sever environmental threat in the 21st century. Despite the global economic significance of tourism and the important influence of climate on tourism, the vulnerability of tourism sector to climate change remains to be adequately assessed. In this book attempt has been made to provide to our readers latest and best literature available on the topic, so that the reader can further examine the extent to which climate change may affect the environmental systems and the impacts these changes may have on global tourism. We take this opportunity to record our acknowledgements to the national and international authorities on the subject. Some of the institutions, their librarians and staff members have been kind and helpful. We thank them.