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.

Electricity is hard to come by in much of Africa. Now, skipping over the fossil fuel age, solar panels are bringing a cheap form of electricity to the continent.

Blue Engine, which places recent college grads as full-time teaching assistants in New York City public schools, is helping poor students thrive in college. They focus on small teacher-student ratios, frequent feedback for teachers, and a concentration on 'gateway' courses associated with success in college.

Access to electricity in India takes a huge economic, educational, and health-related toll. A small company called Husk Power Systems has created an innovative system that is turning rice husks into electricity and illuminating India’s poorest state.

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.

In order to hunt for the oldest fossils in Africa, scientists needed to produce alternative forms of energy to allow them to live in these desert regions. One such project is the gasifier, which turns discarded doum palm nuts into energy.

Inner-city kids, generally, fare worst on measures of academic achievement like standardized tests. An intensive tutoring and mentoring program in Chicago has produced big improvements for young boys, pairing them two-on-one with math tutors that offer homework support and educational guidance.

Amidst a world struggling with smart ways to confront climate change, Hawaii's 2050 Plan for sustainability is working to be a model for the rest of the world. So far, it is on it's way to being a leader in solar energy, with Honolulu having the most "solar panels per capita than any other North American city," and the state is working to produce more food locally, as well.

The breakdown of the ozone layer is one of the most well-known effects of climate change. Citizens enact different ways to protect the atmosphere from a build up of methane gas.

Evidence continues to build that humans are contributing to a climate change issue that is nothing but bad news for the planet. Hopeful stories from seven countries, including India, Indonesia, and China, show that efforts to combat climate change might finally be working.