There are some big problems facing the world these days but there are sustainable solutions. Billions in Change is a documentary following the self-made billionaire behind the 5-Hour Energy drink, Manoj Bhargava. He has pledged a great portion of his wealth to the good of mankind, creating things such as an energy producing bicycle and a machine that converts salt water into drinking water and more. These inventions have been made to change the lives of billions of people. It is a global endeavor and the short documentary shows what it means to try and change the world.