According to a report from the United Nations (UN), it will take between 40 and 50 years to clear the landmines, improvised explosive devices and other unexploded ordnance from Iraq and Syria.
http://www.voanews.com/a/clearing-weapons-iraq-syria/3796898.html
On recalling the International Day for World Mine Awareness and Assistance in Mine Action, UN Secretary-General Antonio Guterres urged all Governments to remember landmines and explosive remnants of war when discussing peace agreements or when sending urgent humanitarian aid to conflict zones.
“Peace without mine action is incomplete peace,” said the Secretary-General in his message.
A team of UN experts has traveled to Nigeria to assess the number of landmines Boko Haram terrorists have laid in the Sambisa Forest.
http://www.vanguardngr.com/2017/04/boko-haram-mines-un-team-arrives-nigeria/
Researchers remotely detect buried landmines using fluorescent bacteria encased in polymeric beads illuminated by a laser-based scanning system.
https://www.israel21c.org/glowing-bacteria-detect-buried-landmines/