greening plan; forestation plan
A plan or project to create green spaces, plant trees, or increase vegetation in an area, often used in urban planning or environmental contexts.
The city announced a new greening plan.
Many residents support the greening plan for this area.
Similar meaning but 緑化計画 is a more general 'greening plan', while 緑地化計画 specifically emphasizes creating green spaces or parkland.
Refers specifically to a tree-planting or afforestation plan, whereas 緑地化計画 can include parks, gardens, and other green areas beyond just forests.
Compound of 緑地 (りょくち, 'green area') + 化 (か, '-ification') + 計画 (けいかく, 'plan').