That's a very interesting question. Have you already been researching some solutions? And if so, which resources did you use? I'd say the most important aspect

That's a very interesting question. Have you already been researching some solutions? And if so, which resources did you use? I'd say the most important aspects could be: - Available fresh water - Population density - Job availability - Pollution (water / air / ground) - Political stability - Common spoken languages This could make a nice base for a webapp where you can figure out where to go for the next big migration :) Some websites I found so far - http://datasets.wri.org http://datasets.wri.org (datasets on many earthly aspects :)) - http://www.aneki.com/freshwater_countries.html http://www.aneki.com/freshwater_countries.html (biggest bodies of fresh water) - http://flood.firetree.net/ http://flood.firetree.net/ (water levels) - https://en.wikipedia.org/wiki/List_of_countries_by_total_renewable_water_resources https://en.wikipedia.org/wiki/List_of_countries_by_total_ren... - https://www.telegraph.co.uk/travel/maps-and-graphics/most-polluted-countries/ https://www.telegraph.co.uk/travel/maps-and-graphics/most-po...