Office equipment has been for years a source of pollution and waste, producing tons of non-recyclable plastics, dangerous chemicals, and massive amounts of non-biodegradable components.

办公设备多年来一直是污染和废物的来源，产生大量数以吨计的不可回收塑料、危险化学品和非生物降解的成分。

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We need to look backwards to the future and get rid of non-biodegradable waste products - responsibility lies at the door of manufacturers not just at the population.

BBC: Overflowing bin

Some communities are ecologically friendly: they use solar power and green methods of waste removal, undertaking the daunting challenge of hauling non-biodegradable items off the mountain via pack animals as opposed to burning or burying trash.

BBC: Everest's growing problem