Menstrual hygiene solutions: Kaduna girls take action

For-profit companies are making good private schools available even to Africa’s poor. They can do it – and can do it on an enormous scale – by hiring neighborhood residents to teach, and scripting out every word of every lesson on an e-reader.

As kids and teachers head back to school, we wanted to turn away from questions about politics and unions and money and all the regular school stuff people argue about, and turn to something more optimistic — an emerging theory about what to teach kids.

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.

Child mortality rates in third-world countries are often shockingly high. But they are gradually decreasing due to efforts that target contagious diseases and more widespread health education.

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

Ecological toilets that use natural composting to break down waste are simple to construct, waterless and are easy to fix. But as philanthropists are finding, getting these to those that need it most is harder than anticipated.

A 2006 report noted that Ohio and Kentucky were lagging behind other states in college attainment rates - community leaders were concerned about remaining competitive in a global economy. A group of leaders in the Cincinnati area are improving school systems by using data for progress, not punishment.

The company that manufactures Lifestraw, a water purification device, has found a way to distribute their product to impoverished Kenyan families for free, while still making a profit. In the global carbon credit market, businesses receive carbon credits for projects that reduce greenhouse gas emissions. These credits can then be sold to companies who need to offset their carbon emissions, allowing green companies to make a profit off of their small ecological footprint.

York schools are considering changing public schools into charter schools, following the example of New Orleans and Michigan, in order to help their crumbling school system. The privatization of these schools can help the facilities become more financially stable, in turn preventing school closures and instability for their students.

Clean water and healthy ecosystems are becoming increasingly difficult to come by. With floating islands and other inventions, eco-entrepreneur Bruce Kania thinks that biomimicry - such as reconstructing wetlands and growing biofilms - can tackle the toughest of water problems.