The world of esports has exploded over the past few years on college campuses, especially at Northern Illinois University and the University of Illinois.

On this encore edition of The 21st: We revisit our conversations on health apps, how climate change conversations are impacted by politics and religion, and the rising popularity of e-sports.

On the 21st: We discussed the future of coal mining with the Illinois Coal Association president, a union president, and a reporter with Inside Energy. We also learned why 17 Illinois school superintendents are suing the state for inequitable funding, and learned more about why some colleges are offering scholarships for competitive video gaming.