生ごみリサイクル率は驚異の95％　韓国が「食品ロス大国からリサイクル大国」になった理由

Israel has grappled with crippling drought for years. But people have learned to use Mediterranean sea water and recycled wastewater to provide the country with enough water for all its needs.

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.

New Orleans implemented an extraordinary 10-year plan that engaged unprecedented cross-sector collaboration between government, non-profit, and private entities to provide housing and housing services to the city's homeless veterans. The city's success in providing homes for every single veteran formerly on their streets motivated cities across the nation to tackle the crises using similar means, leading to a 1/3 decline veteran homelessness since 2010.

As a state with robust populations of wildlife, Montana has had its share of roadkill. Its Department of Transportation developed animal shelving, a type of wildlife crossing, to enable safe passage for small animals who need to cross the road. The measure, combined with other types of crossings, has reduced animal-vehicle collisions by half.

Tulsa Public Schools drew on expertise across many sectors and extensive neighborhood input to address the issue of thousands of empty seats in local schools. Through a community-focused process, they were able to mindfully close under-utilized schools and better maximize the community's resources for students.

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.

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.