With greenhouses as far as the eye can see, the southern Spanish region of Andalusia has been nicknamed the “Sea of Plastic”. Intensive farming is the norm and it helps feed the European market with fruit and vegetables all year long. It also produces an estimated 33,000 tonnes of plastic waste every year. Until two years ago, this waste was exported to countries such as China, Pakistan and Turkey. But now that these countries are refusing to take rubbish from rich countries, the “Sea of Plastic” is faced with the urgent challenge of recycling its own waste. Our correspondents report.