My mapping at DebateGraph has been mostly around health, from people to planet. I am now (2015) also looking at mapping that has to do with social progress.
DebateGraph is free-to-use: "To change the world you need to look at it in a different way." -- DebateGraph.
"Paul is a visionary, an expert DebateGrapher, and a world leader in knowledge mapping for the common good." -- David Price, co-founder, DebateGraph, September, 2015.