铝合金罐的碳足迹要小于玻璃瓶。
An aluminum can has a smaller carbon footprint than the glass bottle.
铝合金罐的碳足迹之所以更低，其中的一个原因是铝合金罐的可回收成分达到了68%，高于其它的饮料容器。
Part of the reason the carbon footprint for an aluminum can is lower is that the aluminum can has more recycled content than any other beverage container. It's approximately 68%.
铝和铝合金。废料。第10部分：使用过的铝制饮料罐组成的废料。
Aluminium and aluminium alloys - scrap - Part 10: scrap consisting of used aluminium beverage cans.
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