Among the signatories of the warning was Bob Johnson, the originator of the "ecological footprint" concept, which measures the total amount of environmental input needed to maintain a given lifestyle.
警告信的签署者中有鲍勃·约翰逊，他是“生态足迹”概念的发起人，此概念衡量的是维持一个特定生活方式所需的环境投入总量。
Experts say we can also expect consumers to think more holistically about their food — questioning where it came from, its packaging, and its ecological footprint.
专家鼓励消费者可以更加全面地考虑他们吃的食物——问它从哪里来，包装是否合格，是否符合保护生态环境的要求。
Experts say we can also expect consumers to think more holistically about their food — questioning where it came from, its packaging, and its ecological footprint.
专家鼓励消费者可以更加全面地考虑他们吃的食物——问它从哪里来，包装是否合格，是否符合保护生态环境的要求。
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