AUTHOR=Zou Mingjun , Wang Zhenzhi , Zhang Junjian TITLE=Editorial: Exploration, exploitation, and utilization of coal-measure gas into the future: Volume II JOURNAL=Frontiers in Earth Science VOLUME=11 YEAR=2023 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2023.1191521 DOI=10.3389/feart.2023.1191521 ISSN=2296-6463