The concrete can conduct electricity and, after being coated with organic dyes like fruit juice, produces electricity through artificial photosynthesis. It's an innovation from researchers at the University of Kassel.
Overfishing on Africa's Lake Victoria has left many local fishermen struggling to survive. Two Kenyan siblings want to revive the industry with an environmentally friendly fish farm and solar energy.
In 2017, eco@africa featured a host of eco heroes bringing solar power to their communities through innovative business ideas and inventions. Here are our top five solar solutions from Africa.
The French president has pledged hundreds of millions for solar projects in developing countries at the International Solar Alliance summit in New Delhi. He also took a jibe at Trump for leaving the Paris Agreement.
China's mass-deployment of solar power has helped capacity of the renewable energy grow by 50 percent in 2016. Analysts have praised a sharp drop in the price of panels and more government support.
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