He captured the title of youngest person perform the feat on six continents with his ascent of Mount Elbrus in 1996.
[6] Rhys Miles Jones of the United Kingdom holds the current title, having completed the seventh mountain on May 17, 2006, his 20th birthday.
[3] He returned to Everest in 2001 to continue cleaning the mountain[9] and it was reported that 1.6 tons of litter was removed, including 84 empty oxygen containers.
[10] Hoping to bring the effort to his homeland of Japan, he gave televised interviews to showcase the problems of Everest.
[4] He has expressed his feeling that governments should place a greater focus on environmental education, integrating it into standard curricula.
[11] His goal was to inspire others to clean up Mount Fuji, which collects a large amount of trash as a major tourist attraction.
[12] He talked about his ongoing environmental work in his second book, Hyakumankai no Konchikusho (100万回のコンチクショー, A Million Curses), published by Shueisha International in 2002.
He expressed his gratitude to Noguchi for working on Mount Fuji and his hope for a more environmentally conscious future.
[5] Although his efforts have never been praised by his peers or relevant international organizations due to enormous amounts of funds he received for each of his project, he has been vocal about his right wing ideology in politics.
In December 13, 2019, he criticized Greta Thunberg, a Nobel-prize candidate and environmental activist who has been chosen as Time's 2019 Person of the Year, for getting on a train.