Three celebrities known for their involvement in the environmental movement -- actor Kim Suk-hoon, writer Lee Seul-a and Ko Kum-sook, co-founder of zero-waste shop Almang Market -- discussed the small changes they have made to combat climate change at the H.eco Forum held at Some Sevit, Seoul, on Wednesday. The annual forum, held under the theme, “The Transition: Blue, Clean and Green,” featured the celeb...