In the beginning of 2015, the Securities Times CSR Research Center and IPE launched the publicly-listed A-share company online pollutant data index project, tracking information for 1365 key monitored enterprises of 519 publicly-listed companies. In 2015, the "Environmental Index" was published 49 times. A total of 141 publicly-listed companies and their affiliates were placed on the index, of which 28 enterprises responded to being indexed. Most of the companies that responded have already achieved emissions compliance.