Here’s another option that detects landmines with rats: https://www.apopo.org/en
Can’t comment on cost-effectiveness compared to other similar organisations but it won a Skoll Award for Social Entrepreneurship in 2009 http://skoll.org/organization/apopo/ http://skoll.org/about/skoll-awards/ https://en.m.wikipedia.org/wiki/Skoll_Foundation#The_Skoll_Awards_for_Social_Entrepreneurship
Here’s another option that detects landmines with rats: https://www.apopo.org/en
Can’t comment on cost-effectiveness compared to other similar organisations but it won a Skoll Award for Social Entrepreneurship in 2009 http://skoll.org/organization/apopo/ http://skoll.org/about/skoll-awards/ https://en.m.wikipedia.org/wiki/Skoll_Foundation#The_Skoll_Awards_for_Social_Entrepreneurship