VICTORIA FALLS, Zimbabwe — A decade ago, what was supposed to be a one-off sale of 102 tonnes of ivory from southern African states raised $15 million for conservation and community development. But that sale coincided with a massive increase in levels of poaching across Africa. Now, Botswana, Namibia, Zambia and Zimbabwe — which host … Continue reading ‘Let us trade’: Debate over ivory sales rages ahead of CITES summit