The Communist Party of China (CPC) reaffirmed its emphasis on environmental protection in a decision adopted by the fourth plenum of its 19th Central Committee, held in December 2019.1 Part 10 of this decision specifically addresses environmental protection under the topic of Developing a System of Rules for Ecological Civilization, and consists of an introductory paragraph and four additional paragraphs calling for (1) the most stringent legal rules for environmental protection, (2) rules on the efficient use of resources, (3) rules on ecological protection and restoration, and (4) rules on responsibilities and liabilities. This Comment summarizes experimental measures and rules adopted in recent years as well as a plan to further develop environmental rules in the future.