The Japanese Tsunami, 2011

Officials in Niger are addressing chronic severe droughts causing food shortages and leading to a widespread threat of starvation. They provide aid to malnourished children and resources for a crop planting technique called 're-greening,' which aims to reforest agricultural regions, restore soil quality and, in turn, increase food supply.

Children coming from abusive households are often reluctant to discuss their past experiences. A Mexican foundation is using animated characters to help abused and ill children speak about their lives.

After a devastating cyclone changed the nature of local soil, NGOs preserved Indian rice crops by reintroducing traditional rice varieties that can be cultivated even in salt-ridden earth. Although some first met this idea with skepticism, many farmers have now adopted the practice after witnessing the success of the crops.

Harassment on the internet is more accepted but just as harmful as it is in person. RiotGames, a game publisher, decreased abuse by enabling its gaming members to decide and enforce community norms.

Poor people are less likely to make smart financial decisions; however, new research in the U.S. says this is not about intelligence but rather about a brain being overwhelmed with issues related to poverty. To combat that barrier of stress, organizations around the world are making financial decisions easier for people experiencing poverty by making borrowing easier and automating future financial planning, like 401(k) contributions.

The Canadian federal government has identified bullying as a national problem. Roots of Empathy, based in Toronto, encourages empathy in elementary kids by having them interact with babies.

Crime is a result of many underlying social issues, but Crime Lab, a research organization with branches in New York and Chicago, is studying which simple solutions will have the most impact in their city. Cost-effective efforts such as tutoring combined with cognitive behavioral therapy have proven to be successful.

Summer in the Northwest presents a great risk of wildfires. A pile burning operation, just one facet of the strategy that Oregon has enacted to conserve its forests, clears undergrowth to lessen the risk of mega-fire. The work stimulates the local economy and provides employment, but it's also a very small part of what needs to be done.

While weight loss can be challenging to maintain, different structures are being created to help. Certain support groups, financial incentives, and tough love are proving to be effective.

After the drought hit Australia in the early 2000s, city officials had to start thinking seriously about ways to conserve and creatively store their water. External tanks became the solution, storing rain runoff to create an available source of water for Melbourne residents. This solution may not fit every location, but there are other teachable lessons such as taking radically shorter showers.