Conservationists at TRAFFIC, an international wildlife-trade monitoring program sponsored by the WWF and the IUCN, have warned that the illegal sale of ivory is growing in Africa, seriously threatening the continent's elephant populations.

A considerable portion of the demand for ivory is believed to be driven by craft markets and carving industries in China where ivory is a sought-after luxury item.

Find out more: Illegal Ivory Trade Boosted by Angola Craft Markets, Conservationists Say (National Geographic)