https://source.opennews.org/en-US/guides/better-mapping/">The Source Guide to Better Mapping http://opendata.esri23.opendata.arcgis.com/">Arcgis Open Data
emaps is the blog created and maintained by the teams of researchers involved in the three-year projet EMAPS (Electronic Maps to Assist Public Science), funded by the European Commission in the FP7 “science in society” programme. The project started in November 2011, so has this blog (see Objectives).