1900環境一般 レジ袋禁止は廃止後も影響が残る(Plastic bag bans have lingering impacts, even after repeals) 2024-11-15 カリフォルニア大学リバーサイド校(UCR)Bans on free plastic bags for groceries are designed to encourage use of reusable canva... 2024-11-16 1900環境一般