Yesterday our headmaster made a speech on environmental protection, and we learned something about recycling of waste.

昨天我们校长做了一次关于环境保护的演讲，我们学到了一些关于废物回收的知识。

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Recycling of waste polystyrene has received a great deal of attention in recent years.

近年来废聚苯乙烯的处理成为人们关注的焦点。

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'Nobody can compete with unscrupulous recycling of waste oil into the food market,' he said.

他说，没人能够与肆无忌惮地回收废油用于食品市场的对手相竞争。

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The States is currently investigating a new strategy involving the export of the island's waste combined with a gradual increase in the recycling of waste to 70% by 2025.

BBC: Guernsey salvage scheme is set up online

It has left Cambridgeshire County Council with a problem of dealing with waste and has also hit its record of recycling 57% of waste.

BBC: Cambridgeshire composter breakdown costs ?60,000 a week

The EU has identified construction and demolition waste as a priority waste stream which means that policies and measures ensuring increased recycling of CND waste versus landfill and incineration will take priority.

FORBES: Coming Soon: Intelligent Recycling Robots