Assoc. Prof. Dr. Arun Hansuebsai acting managers are told that the publication of Chula zero carbon. Innovative Publisher of the CU. Can be used to complete the process of printing is environmentally friendly. Resulted in controlling the amount of carbon emissions. That cause the greenhouse effect of print production. The printing of Chulalongkorn University The raw materials used to produce pulp circulation publications such as soy ink printing ink made from natural substances, which will help reduce global warming. And enriching the environment as well.