A Kenyan entrepreneur has adapted Hydroponics, a technique that allows to grow plants without soil, to African climate. The technique that traditionally needs an energy intensive climate control, now allows to grow plants in simple sheds without the use of electricity.
YouTube resources for Afrisol Energy, winner of the Inaugural Off-Grid Energy Challenge, a competition organized by the United States African Development Foundation and General Electric to identify the most promising sustainable business models in the African region.
An enterprising business has been recycling blood from a Maasai slaughterhouse to create biogas for cooking, thanks to business advice and financing from Kenya's Climate Innovation Center, an organization supported by the World Bank's infoDev. They even store the fuel in used tires, lessening the environmental impact of the operation. infoDev supports world-changing innovation by helping entrepreneurs with hands-on business coaching, access to early-stage financing and better entrepreneurship environments.
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A group of Serbian university students has created the world's first public solar-powered mobile phone charger, installed in a town outside Belgrade. It led to the team winning a prestigious European Union prize for their efforts as the BBC's Belgrade correspondent Mark Lowen reports.