There are many procedures involved in the manufacture of food that result in greenhouse gases and other pollutants.

食品生产有许多道工序，这会带来温室气体和其他污染物。

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A daily input of water, food, and energy of various kinds is matched by an output of sewage, solid waste, air pollutants, energy, and materials that have been transformed in some way.

日常摄入的水、食物和各类能量与输出的污水、固体废物、空气污染物、能源和经过某种转化的物质相匹配。

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Urban farms solve the prime source of waste-in fuel, pollutants and time-in the food industry: transportation.

在城镇中兴建农场解决了食品行业资源浪费的主要问题——食品运输过程中消耗的燃料、造成的污染还有耗费的时间。

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Much of the pollution that exists in the garbage patches is plastic waste that gradually breaks down into short lengths of polymer which absorb other pollutants and accelerate their uptake into the marine food-chain.

CNN: STORY HIGHLIGHTS

You could get very ill from bacterial contamination or other pollutants that often and easily end up in airplane food.

FORBES: Why You Should Avoid Airport Food And Bring Your Own