Catalysis Letters is devoted to the development of the science of catalysis and functions as a vehicle of communication and exchange of seminal ideas and advances among practitioners operating in a wide range of sub-disciplines including heterogeneous homogeneous and enzymatic catalysis. Several hundred thousand researchers are currently engaged world wide in the pursuit of catalyst science and technology and the subject continues to burgeon. Our aim is to encourage the cross-fertilization of ideas and to facilitate the rapid dissemination of frontier research on a global basis.