A program where 100 leaders read texts about the Earth, presenting insights into the coexistence of nature and humanity. In 2022, to commemorate the 50th anniversary of World Environment Day, public broadcaster KBS presents a monumental program. In this program, 100 leaders, including celebrities, sports stars, local bookstore owners from across the country, and the general public, read books about the Earth and discuss contemporary issues such as the climate crisis and related stories of peace, ecology, and nature.