グレート・グリーン・ウォール
The Great Green Wall
https://www.greatgreenwall.org
BBC News. 2017. Why is Africa building a Great Green Wall?
https://www.youtube.com/watch?v=4xls7K_xFBQ
国立環境研究所. 2020. 国連環境計画、世界最大の環境修復プロジェクトの状況を報告.
https://tenbou.nies.go.jp/news/fnews/detail.php?i=29347
UNEP. 2o20. The world’s biggest ecosystem restoration project.
https://www.unenvironment.org/news-and-stories/story/worlds-biggest-ecosystem-restoration-project
#sustainability