Illegal wildlife trade is estimated to have an annual value of up to $23 billion / Montreal, 28 June 2021 – Airports Council International (ACI) World has today published guidance for airports in combatting the global illegal trade of protected species of wild animals and plants. The ACI Combatting Wildlife Trafficking Handbook has been developed with the support of the USAID Reducing Opportunities for Unlawful Transport of Endangered Species (ROUTES) Partnership to assist airports in addressing this global crime.