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This is Scientific American 60-second Science, I'm Jared Rizzi.
"Best before," "sell by," "for best results, use by."
You probably have many of these labels on items in your fridge and pantry right now.
"A lot of behavior on what you throw away and how you consume food, a lot of people go off what's on the label.
And so what we're looking at is trying to shift behavior, trying to make consistency in terms of how foods are labeled
so that we can avoid waste and avoid people throwing away products that are perfectly good to eat."
Pete Pearson is the senior director for food loss and waste at World Wildlife Fund.
"Seventy percent or more of the biodiversity loss on the planet is attributed to food and agriculture."
The Natural Resources Defense Council estimates that 40 percent of all food in the United States goes uneaten.
That translates to some $218 billion in wasted money annually.
Beyond the hit to the wallet, food waste in landfills creates methane,
which is a more potent greenhouse gas than carbon dioxide.
And these figures don't include a full accounting of the accumulated waste producing and transporting food that we don't eat; water and fertilizer; maintenance of animal habitats; and fuel.
"And often, because of labeling and consumer behavior, we throw it away, and it's still perfectly good to eat."
这里是科学美国人――60秒科学系列,我是贾里德・里吉。
“最佳食用日期”、“贩卖期限(保质期)”、“最佳使用期限”。
现在你的冰箱和食品储藏室里的物品上可能有许多这种标签。
“标签上写着扔掉哪些食物和如何食用食物的大量行为指导,但很多人对标签上的内容不以为然。
因此,我们正在努力改变人们的行为,努力使食物的标签方式保持一致,
这样我们就可以避免浪费,避免人们扔掉可完美食用的产品。”
世界野生动物基金会负责食品损失和浪费的高级主管皮特・皮尔森说到。
“地球上70%或更多的生物多样性损失要归咎于食品和农业。”
美国自然资源保护委员会估计,美国40%的食物没有被食用。
这相当于每年浪费2180亿美元。
除了浪费钱以外,垃圾填埋场的食物垃圾还会产生甲烷,
这是一种比二氧化碳危害更大的温室气体。
这些数字不包括生产和运输我们不吃的食物所造成的累积废料、水、肥料、维护动物栖息地以及燃料等完整统计。
“通常,由于标签和消费者行为,我们会将仍可以完美食用的食物扔掉。”
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