In the media

shut up for tree action
“Giel Boes has been silent about the climate for a week: 'I am silent for the trees'”

Read more on Metro news

“Giel keeps his mouth shut for 10 days and that is not easy because he has ADHD”

Read more on Omroep Brabant

“Giel will keep his mouth shut for 10 days to plant trees.” Read more on Studio40

"Giel doesn't talk for ten days to make the world a little greener." Read more on BN DeStem

“Giel is 'silent for the trees'.” Read more on Eindhoven News