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Check out this story in National Geographic:
In the mountain city of Huehuetenango, Guatemala, people migrate to the U.S.A. to escape crushing poverty. They also foresee mining companies and hydropower developers eliminating their hope for the future, perhaps starting another civil war.
We could build flexible floating fishing reefs on the Pacific coast of Guatemala and El Salvador or the Caribbean coasts of Honduras, Belize, and Mexico creating many more jobs than the number of workers living near each reef. People from Huehuetenango (and other locations) could work on the reefs. Some would send money to family back in Huehuetenango. Some would bring their immediate family and meld into the new community. Unlike migrating to El Norte, the workers could visit home and entertain visitors from home.
The same can be done for African mountain or desert communities that are far from the coast.
We can build about 200,000 20-ha reefs before exceeding the global demand for seafood. The income from each reef should support over 100 workers earning over $10,000/yr (not including health, vacation time, and other benefits). That would be at least 20,000,000 direct jobs.


Mark commented on Smart Toilet

Dear Clement,
Please consider including urine diverting toilets. Check out why at My comments on the "Sani-Initiative" entry have more details.
You might also want to coordinate with the other sanitation entries. Ideally, you might all combine and offer a catalog of options.

Everyone in the OpenIdeo Bridgebuilder contest may want to coordinate with the top twenty Climate CoLab contestants:

OceanForesters' Climate CoLab entry at: