The World Climate Research Programme (WCRP) Drought Interest Group (DIG), together with CLIVAR, GEWEX, GEO, the European Space Agency (ESA), NASA, NSF, and NIDIS, sponsored a WCRP Global Drought Information System (GDIS) workshop in Frascati, Italy, in April 2012, focused on determining the needs and the steps necessary for the development of a GDIS.