These Cities Tried to Tackle Disinvestment. Here Are Lessons From What Happened.

Harsville, South Carolina is trying to better its educational program. But first it must change the standard of living in the town to provide greater examples of success for the children to follow.

A novel way to help young men growing up in communities in which concentrated poverty, violence and unemployment are well-documented barriers to health and longevity: male youth of color are trained to be the emergency response team to help stabilize street victims before doctors or nurses begin procedures.

Social-emotional learning (SEL) is transforming educational systems in Oakland by forming mentor relationships between adults and students. Unlike other models, though, the adults are the ones held accountable.

The overall graduation rate for black male students in New York City was 58 percent in 2014 - student retention rates are equally poor. But one school achieved a 100% on-time graduation rate last year, motivating their students with a student-founded, student-sustained 'fraternity'.

A program in Philadelphia is pioneering new ways to treat the urban wounded. By seeing it as PTSD, and not pointing fingers, the city is using mental health tools to decrease violence and heal communities.

In an effort to break the cycle of poverty in Memphis, a government organization is using conditional cash transfers, paying students if they earn good grades and adults if they maintain a full-time job.

The pressure is on for the federal government to spend tax money more wisely. Evidence-based policy making is gaining in popularity as a way for the government to spend tax money wisely. While not quite as flashy or exciting as past ways, this has a proven track record of positive impact.

Amidst a world struggling with smart ways to confront climate change, Hawaii's 2050 Plan for sustainability is working to be a model for the rest of the world. So far, it is on it's way to being a leader in solar energy, with Honolulu having the most "solar panels per capita than any other North American city," and the state is working to produce more food locally, as well.

Colombia has attempted to decrease murder and homicide rates by setting up curfews for teenagers, forcing bars to close earlier in the evening, and creating gun laws to prevent the carrying of weapons. As a result of this epidemiological, data-driven approach, along with other governmental factors, the homicide rate has decreased significantly in most of the cities in which it was implemented.

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.