**Preface to "Electromaterials for Environment & Energy: Volume I"**

In a developing world, the demands for energy and water and the damage to our environment are constantly increasing. Electrochemistry could be a great tool to solve these problems, with an impact that could minimize or at least control damage in our environment, since the main driver of the reaction is the electron that can be produced in a sustainable manner.

In electrochemical approach to energy conversion and production, drinking water production and wastewater treatment, the materials and interfaces are key elements that greatly affect a system's performance.

The objective of this topic is to propose a set of publications gathering the current research trends in the fields of energy, water and environmental pollution treatment, with a focus on the control of materials and interfaces, in view of process optimization.

> **Marc Cretin, Sophie Tingry, and Zhenghua Tang** *Editors*
