Clean water, shelter, and shoes are just some of the things that most of us take for granted, but in many places in the world, people are desperate for them. Other things, such as ovens, light and even protection from mosquitoes are luxuries to many poor people. However, thanks to some brilliant inventors, it is possible to produce these items in an affordable manner to make a difference in poor communities.

read the article about some of the problems solved in unusual ways :WHEN ON EARTH