The Tiny NGO That Changed Reporting on Rio's Favelas During the Olympics

We’re getting smarter about the way we’re addressing social problems. Patterns in the most effective solutions are emerging, such as making evidence-based decisions, accepting that humans act irrationally, and bringing people back together to build comprehensive solutions.

In India, videos made about the many social problems are secretly broadcasted in different villages to make people aware of the real problem and also aware of what they can do to fix it. Video Volunteers, an organization that coordinates these video productions, catalyzes community change through transparency and accountability.

Americans often want to connect to a cause beyond writing a check. Crowdsourcing is creating new forms of philanthropy globally, giving donors more choice and a stronger connection to the projects they fund.

Adolescent smoking remains a challenging health problem because of the allure of cigarette branding. Australia is piloting the transformation of cigarette packaging with a generic look that reduces the appeal of smoking. In Florida, the Truth campaign has exposed that cigarette companies targeted teenage consumers and, in response, created a set of new advertisements that presented the cigarette industry with transparency.

Areas of High Point, North Carolina have suffered from crime, poverty, and neglect, until the city began implementing Operation Ceasefire, a policing program that uses data collecting, community support against crime. High Point is now leading the country in its success of Operation Ceasefire, boasting dramatic reductions in violent crimes, domestic abuse, robberies, and drug-related offenses.

The ability of social media and online civic participation to impact law and politics is still developing, but one social media tool - Friendfactor - was used successfully in New York to help bring about the passage of Gay Marriage Equality. It may be an indicator for how powerful platforms like this one will continue to play a role in societal growth and change.

New crowdfunding options can help even the smallest donor's contributions to have a meaningful impact, bolstering a sense of personal involvement, maximizing knowledge about causes, and inspiring greater participation.

In Iowa, the “redistricting” of the state’s legislative and congressional boundaries is done by mapmakers who abide by nonpartisan metrics that all sides agree are fair — a seemingly revolutionary concept in the high-stakes decennial rite of redistricting.

The Center for Applied Nonviolent Action and Strategies provides a "blueprint" for peaceful and democratic revolution, busting myths about the process of nonviolent revolt and helping dissidents in countries around the world to accomplish political goals, such as fighting corruption or protecting the environment.

Two columns on how Iran is treating its massive epidemic of injecting drug use by tackling it as a health problem, effectively lowering H.I.V. rates among drug users using an approach to drugs known as harm reduction.