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Reducing domestic food waste by lowering home refrigerator temperatures

机译：通过降低家用冰箱温度来减少家庭食物浪费

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Domestic refrigerators often operate at temperatures which are higher than ideal for chilled food storage, with several studies finding averages around 7 C. Reducing temperatures for example to 4 C could significantly extend storage lives, giving greater opportunity for use before disposal. However, the savings in costs and emissions associated with reduced waste must be balanced against those associated with increased energy consumption at lower temperatures. Based on published storage lives of foods which are currently refrigerated and UK waste statistics, reducing from 7 C to 4 C could save £162.9 m of waste annually, with associated emissions of 270,000 tonnes CO2e. Including certain foods which are not always refrigerated and removing others which do not benefit from refrigeration, the estimated savings increased to £283.8 m and 578,383 tonnes CO2e. Based on experimental assessment, the costs and emissions associated with increased fridge energy consumption were considerably lower at £80.9 m and 367,411 tonnes CO2e. © 2013 Elsevier Ltd and IIR. All rights reserved.
机译：家用冰箱的工作温度通常高于冷藏食品的理想温度，多项研究发现平均温度约为7摄氏度。例如，将温度降低至4摄氏度可以显着延长存储寿命，从而为处置前的使用提供了更大的机会。但是，与减少废物相关的成本和排放节省必须与在较低温度下增加能耗相关的成本和排放进行平衡。根据目前已冷藏食品的公开存储寿命和英国废物统计数据，将温度从7 C降低到4 C每年可节省1.629亿英镑的废物，相关排放量为270,000吨CO2e。包括不总是冷藏的某些食品和去除不受益于冷藏的其他食品，估计节省的费用增加到2.838亿英镑和578,383吨CO2e。根据实验评估，与增加冰箱能源消耗相关的成本和排放量要低得多，分别为8090万英镑和367411吨CO2e。 ©2013 Elsevier Ltd和IIR。版权所有。

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