Although Nigeria "is arguably the worst-run of the world’s major countries," it's biggest city is providing a model for how to turn poor governance around. Lagos, a historically fragile city like the rest of Nigeria, has devolved more power to civilian rule, which has shown positive results for the health of the city.

Colorado causes a large decline in teen pregnancy and abortions by implementing free, long-term birth control to prevent pregnancy. While demonstrating massive success, its continuity is in the air considering the ongoing fight over health insurance at the federal level.

Through creative financing and new technology, a non-profit in San Francisco is making farmers markets more accessible to residents who rely on federal nutrition benefits.

Government benefits to aid the poor are frequently left unclaimed, leaving children hungry, young people unable to finish school, and opportunities for stable housing and preventative health care unused. New York City-based program Single Stop connects people to benefits for which they may be eligible. Importantly, Single Stop has served community colleges where disadvantaged students can use the assistance to help get through school.

In a vast country like the United States in a world of lightning-fast change, it no longer makes sense to presume that governments possess, or even understand, the best ways to address pressing needs and promote “the happiness of the people.” The White House strategy of offering prizes to the public for their solutions to critical problems is working.

In a country of limited resources — and perhaps for that very reason — preparing for natural disasters is top of the agenda in Bangladesh. Various grassroots, collaborative programs have been put in place over the years to help address many facets of the calamities caused by cyclones, from improved emergency shelters to long-term support for those who lose their livelihoods in the storms.

The San Francisco Unified School District is piloting a collaboration with the design firm IDEO to re-imagine the school food system and help combat childhood obesity by better designing the space and the experience of how children eat, as much as the type of food they consume.

After a rampant problem of violence among youths, Minneapolis enacted a violence-prevention plan which focused on collective action and stemming the causes at their source, resulting in nonfatal shootings involving youths drop by 72%. Now, other cities with similar problems are trying to follow suit.

Civic leaders in the U.S. struggle to effectively help their distressed neighborhoods. East Lake, Atlanta, created a replicable model that mixes residents of differing socio-economic status, and focuses on education and health in the area.

An average of 28,000 children born in the U.S. each year die before their first birthday – and many more face disabilities and serious life-long health problems, often because they are born prematurely or at low birth weights. A free service, text4baby, delivers crucial health advice via text message to pregnant women and new mothers.