John Roberts : Wildlife trade a major global criminal enterprise poorly addressed . It 's an environmental problem and world crime exists , destroys nations ' natural wealth . He says rebel groups , organized crime use funds from illicit wildlife trade ; rangers outgunned . Roberts : Governments must use regulation , action to stem supply and demand .
Carter Roberts : Wildlife trade a growing global criminal enterprise poorly addressed . It 's an environmental problem and world crime issue , destroys nations ' natural wealth . He says rebel militias , organized crime use funds from illicit wildlife trade ; rangers outgunned . Roberts : Governments must use technology , enforcement to stem supply and demand .