15.Let's protect the richness of the land.
Goal 15 is "Protection, restoration and promotion of sustainable use of terrestrial ecosystems, sustainable forest management, combating desertification and preventing and restoring land degradation and preventing biodiversity loss (About land resources)".
Image:Quoted from United Nations Information Centre HP（https://www.unic.or.jp/activities/economic_social_development/sustainable_development/2030agenda/sdgs_logo/sdgs_icon/）
Concrete Challenges that can occur in a city
1.Promotion of urban greening
2.Forest devastation (Insufficient management, insufficient personnel, delayed mechanization, unknown owner)
3.Damage from alien species and birds and animals
Above challenges are quoted from MLIT"スマートシティの実現に向けて 【中間とりまとめ】（https://www.mlit.go.jp/common/001249774.pdf）"
