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WHEN it comes to selecting venues for crunch talks on the future of the planet, the United Nations does a nice – if possibly unintentional – line in irony. Much was made of last year’s decision to hold the COP26 climate talks in the UK, which as the cradle of the industrial revolution is arguably also the birthplace of climate change. There are similar, more recent, historical ironies in the choice of Kunming, China, for negotiations of global biodiversity targets. Kunming is the capital of Yunnan province, the most likely evolutionary home of SARS-CoV-2, a virus that has been described …