Convention on Biological Diversity
Dr. Tewolde Berhan Gebre Egziabher, the Ethiopian government's chief scientist and its representative to the Montreal-based UN 
 (CBD) had his passport returned without the requested Canadian visa, and without explanation. Dr. Tewolde is Africa's chief negotiator for the Cartagena Protocol on Biosafety. 
Canada denies visa for Africa's top biosafety negotiator