Kammala jumla mai zuwa: A watan Oktoba na 2019, De Wever yana cikin matasa masu fafutukar sauyin yanayi da suka tashi a kan "" don tafiya mai ƙarancin carbon na Atlantic zuwa
Taron Canjin Yanayi na Majalisar Dinkin Duniya na 2019 a Santiago, Chile.