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̽»¨Ö±²¥world’s botanic gardens must pull together to protect global plant biodiversity in the face of the extinction crisis, amid restrictions on wild-collecting, say researchers.

Cambridge Conservation Initiative Executive Director Melissa Leach offers insights on the COP16 Global Biodiversity summit in Cali, Colombia as government ministers engage in tense final negotiations and the latest news from the natural world is that more than a third of tree species face extinction in the wild.