Sir William says a global alliance is being created to combat the illegal wildlife trade . Action for Wildlife brings together his government and the world 's leading wildlife charities . Large numbers of elephants , rhinos and tigers are being poached for the trade . More than 10 % of the total African elephant population has been slaughtered for ivory in two years , according to the Zoological Society of London , which calls it `` a death toll the species simply can not sustain . '' A global conference is being held Thursday in London to address the issue .
Sir William says a global alliance is being created to combat the illegal wildlife trade . Action for Wildlife brings together his government and the world 's leading wildlife charities . Large numbers of elephants , rhinos and tigers are being poached for the trade . A global conference is being held Thursday in London to address the issue .