西武ホールディングス：2030年までに社有地約1億m2の30%（社有林約5,000万m2の60%）を環境保全推進地区に 森林保全プロジェクトを本格スタート、全国18地区を「西武の森」へ

Seibu Holdings: By 2030, full-scale forest conservation projects will begin with 30% of the company's land of approximately 0.1 billion square meters (60% of the company-owned forest of approximately 50 million m2) as environmental conservation promotion districts, and 18 districts nationwide will be converted to “Seibu Forest”