Mary Mbeyela is an innovative woman who will likely make a tremendous impact on the energy use of Tanzanians today. She has namely discovered a sustainable, environmentally friendly, energy-source that could potentially put an end to the deforestation of Northern Tanzania. Together with a team of experts, she has fabricated what she calls a ‘coal briquette’, made predominantly out of coal dust. Read here about how these coal briquettes could change the way in which Tanzanians use their energy.