Efforts to recycle paper cups, which have long been considered unrecyclable, are gaining momentum in Japan.
Paper-makers have begun to cooperate with other industries to promote the use of paper cups — typically discarded until now as flammable waste — as a recyclable resource.
"Paper cups are not known to be recyclable, unlike milk cartons," said Makoto Hasegawa, head of the recycling promotion office at Nippon Paper Industries.
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