The queer book bike serving Brooklyn

In a year that has seen murder rise in New York, locals are trying to mediate between gang members, in part by using "violence interrupters," who are trained to break cycles of violence.

Citizens in Cairo have been working to make the streets cleaner in an effort to create more pride for the country and get the government's attention. From picking up trash and painting lampposts to collecting donations from passersby, the community is working together to make a new Egypt.

Young people are often viewed as needing protection or needing correction. However, a Boston organization is creating young peacemakers and powerful change makers by taking kids seriously and giving them the tools to act on their ideas.

Partnerships between police officers and clergy are being credited with dramatically reducing the rate of homicide in Boston, particularly among teens. And it is drawing the attention of officials in larger cities across the United States, all of whom are looking at adopting some portion of the Boston model.

Photos and videos show various actions religious leaders and institutions in Baltimore are taking to help rebuild their community and foster positive interaction in the midst of racial tension, looting, and rioting.

Team Rubicon, a non-profit organization of military veterans that provides disaster relief, has provided relief after flooding in Detroit, tornadoes in Oklahoma, a typhoon in the Philippines and an earthquake in Nepal, among dozens of other communities across the globe.

Two columns on Time Banks, where people swap services – teach calligraphy to one neighbor, and get computer repair from another neighbor. Time Banks create community and make people healthier – which is why hospitals and clinics are now starting them.

Poor neighborhoods in the United States lack quality play spaces for children, also known as play deserts. An organization is enabling communities across the nation to build their own playground.

Global social and economic problems are difficult to change. However, fan-activism fuels the interests of fans of popular young adult fiction. Books such as Harry Potter and the Hunger Games have inspired activist groups that raise awareness of global hunger, reading, and relief supplies to impoverished nations, among others. Being a fan has served as a bridge to become politically active and solve the world’s problems.

The United States now has a variety of federally-supported nutrition programs, but the health care system remains disconnected from the social determinants of health. Many doctors simply lack the resources to provide the comprehensive care proven to have greater impact on health than strictly medical treatment. A group called Health Leads is training young volunteers to treat the social factors, like poor nutrition and housing needs.