Welcome to the official website of the 2015 4th International Conference on Environment, Energy and Biotechnology (ICEEB 2015) will be held during June 15-16, 2015, Madrid, Spain. ICEEB 2015, is to bring together innovative academics and industrial experts in the field of Environment, Energy and Biotechnology to a common forum.The primary goal of the conference is to promote research and developmental activities in Environment, Energy and Biotechnology. Another goal is to promote scientific information interchange between researchers, developers, engineers, students, and practitioners working in Spain and abroad. The conference will be held every year to make it an ideal platform for people to share views and experiences in Environment, Energy and Biotechnology and related areas.