Recycling reduces waste and the need for raw material consumption.

回收减少了垃圾和对原材料的消耗。

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Two years ago the company began to use an unusual process, called the “sandwich bale”, to collect waste material at its stores and distribution centres for recycling.

两年前，该公司开始使用一种非同寻常的做法-“三明治打包法”，他们将店面与物流中心的垃圾物收集起来以实行回收处理。

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The researchers then looked at more than 200 scenarios, comparing the impact of recycling with that of burying or burning particular types of waste material.

研究人员接着仔细观察了200多种可能出现的垃圾处理情形，并将垃圾废料回收的效应与其燃烧或填埋的效应做了对比分析。

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"We don't want recycling material going into landfill - it's not waste, it's a commodity and we want to find an outlet, " SITA's Mike Dobson said.

BBC: South West recycling goes abroad

But in the US, construction waste accounts for 50 per cent of all landfill material, according to the Construction Materials Recycling Association.

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Steve Burdis, from Dorset Waste Partnership, said it was "not in the interest" of any local authority to put recycling material back into landfill when costs are so high.

BBC: South West recycling goes abroad