On behalf of the Organizing Committee, it is our honor to invite you to attend the International Conference on Biomass Energy and Chemicals (ICBEC 2013) to be held in Nanjing P.R.China from 14th - 17th October 2013. 　　Energy crisis and environmental pollution invokes the rapid development of bio-fuels and bio-chemicals. Biomass technology has changed from an ancient but newly discovered technology to a serious, modern form of supply for the society of today and tomorrow, a key element of sustainability and a significant economic factor. Efficiency of conversion from biomass to bioenergy, biofuel or bio-product is of utmost importance in achieving both the greatest possible greenhouse gas savings and the best economic performance of a process. The goal of ICBEC 2013 is to cover the most advanced research topics in these fields, to provide a platform for exchanging ideas, and to enhance our co-operation to face with the future challenges. 　　It is our great pleasure to welcome the global biomass community in October 2013 to the marvelous City of Nanjing, which is one of the six ancient capitals of China and also the administrative center of Jiangsu Province. I look forward to welcoming you to the ICBEC 2013. Let us face the challenge and confront together one of the greatest tasks of this era: the transformation toward sustainability.