In California, saving teeth and money—one mouth at a time

Twelve million people are blind in India, and are robbed of their livelihoods as a result. A hugely successful chain of cataract hospitals in India helped its business by treating half its patients for free.

Alaska has created a way for residents to financially benefit from the state's dependence on oil revenues. By giving residents a yearly portion of the revenue, the state has been able to see positive effects from an often conflict-ridden industry.

Washing hands in between contact with patients is one of the most important things a healthcare worker can do to prevent the spread of disease and reduce the rise of superbugs like MRSA. A new technology is increasing rates of hand washing by displaying, via a sensor in an employee's badge, whether the healthcare provider has washed their hands recently.

Boston had a hard time solving civic problems efficiently and holding its leadership accountable. In response, a team in the Mayor's office was charged with "making Boston better through clever, low-cost hacks" such as a mobile app that allows residents to send government service requests to City Hall.

A overview of 2014's Fixes columns - connecting the dots between 60 or so ways that people are trying to change the world.

Huge numbers of students lack the chance to go to college because of financial problems. Recently, Kalamazoo schools received more funding allowing them to have the chance to help and pay for students to then go to college and receive a higher education.

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.

The highest hospital costs come from preventable emergency room visits. A doctor in Camden developed a home visit program which gives better and cheaper care.

In Memphis, a creative blight-reduction initiative called 25 Square Blocks broke down the city into blocks. Inspectors were able to quickly identify all the violations and fix them, using the same amount of funding, but less time, as the old call-and-respond model.

The health problems of millions of Americans are directly related to patients' failure to follow doctors’ orders. Community health workers are increasingly successful in New York and other American cities – not to substitute for doctors, but to help patients stick to their treatment plans.