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Wild relatives of some of the world’s most important crops, including potatoes, avocados and vanilla, are threatened with extinction, according to a study. Vanilla, an orchid native to South and Central America, is facing the highest risk of extinction, with all eight wild species found in the region listed as endangered or critically endangered on the International Union for the Conservation of Nature’s (IUCN) red list of threatened plants and animals.

A new conservation tool could help put thousands of threatened animal and plant species on the road to recovery, allowing creatures such as the Sumatran rhino and the California condor to flourish once again.