World diets are becoming more similar and based on fewer crops. A much greater diversity of vegetables exists in traditional food systems, but many of these crops are poorly integrated in current markets and diets. A recent study by Bioversity International scientists in collaboration with the Food and Agriculture Organization of United Nations revealed that a total 1,097 vegetable species, with a great variety of uses and growth forms, are cultivated worldwide. Still, we only seem to be familiar with less than 7% of these species. This diversity of vegetables is more than a local peculiarity – it could play an important role in ensuring adequate levels of nutrition and in meeting the challenges of agricultural production posed by climate change and soil degradation. Read more.