The certification of the WitzlerEsco Protocol for the Use of Renewable Energy and Reduction of Greenhouse Gas Emission ensures that the certified organization uses renewable energy source and low emission of greenhouse gases in its production chain. The purpose of this protocol is to indicate to the customers of products and services the socio-environmental concern of the certified company, guaranteeing, through a third-party certification mechanism, the credibility of the corporate statement that it has the best socio-environmental practices.