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Nature Geoscience 1, 729 (1 November 2008) | doi:10.1038/ngeo350

Climate Science: The other greenhouse effect

Anna Armstrong

Greenhouse agriculture has undergone a massive expansion in southeastern Spain in recent years in order to provide regions of Europe that receive less natural sunlight with fruit and vegetables. In fact, the extremely dry landscape of Almeria, once a backdrop to numerous 'spaghetti westerns', is now home to the world's largest collection of greenhouses.