You've filled up your cart and made it to the front of the grocery line when you're confronted with yet another choice: what kind of bag should you use? It might seem obvious that plastic is bad for the environment, and that a paper bag or a cotton tote would be the better option. But is that really true? Luka Seamus Wright and Imogen Ellen Napper explore the environmental impact of each material. 

你裝滿了購物車並走到了雜貨店的前面，這時你面臨著一個選擇：應該使用哪種購物袋？ 塑料對環境不利似乎很明顯，紙袋或棉質手提包是更好的選擇。 但這是真的嗎？ Luka Seamus Wright 和 Imogen Ellen Napper 探討了每種材料對環境的影響。