Mapping cropland one more time

More cartographic busy-ness from IFPRI. They’re mapping cropland, and need your help to validate the results. That’s because the available maps sometimes disagree. And I’m not even entirely sure they’ve looked at all the maps that are out there. What about IWMI‘s stuff? Or FAO‘s? Or even ESRI’s pretty, but pretty useless, recent offering? I expect most of these use the same raw data anyway. So it’s probably a good idea to try to sort it all out with a bit of crowd-sourced ground-truthing. But I do wonder whether those citizen scientists are looking at extra things, beyond just verifying whether they’re standing in cropland or forest. Like gender, for example. Other bits of IFPRI would probably find that interesting, and would even be able to tell them how to do it.