Fishermen help overhaul plastic habits off Italy

On a moonlit night off Italy's coast, fishermen are hauling in the usual catch: cuttlefish, red mullet and plastic waste. But this time, they won't throw the rubbish back.

In Nigeria's Lagos, aquatic weed plagues waterways

Traffic jams on the snarled up roads of Nigeria's megacity of Lagos are legendary, but a growing problem is also clogging up the waterways of Africa's biggest city—water hyacinths.

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