SEOUL -- K-pop fans are reknowned for the strong passion and loyalty they display for artists such as BTS, Blackpink, Exo and Aespa. Concert tickets costing hundreds of dollars sell out in an instant and fan clubs raise money to celebrate star birthdays with advertisements in Seoul metro stations.
But now a group of K-pop fans in Asia and beyond have mobilized their money, time and energy for something different: campaigning to save the Earth.
