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.
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.
A former prison inmate and gang member is among hundreds in Los Angeles to find a place in the sun - and a second chance - via a solar industry re-entry program.
Millions of households and businesses in rural Bangladesh don't have to access to the electricity grid. One startup wants to light up villages by enabling those with solar panels to share energy with their neighbors.
The development of renewable energy is setting new records, with solar power now becoming cheaper than energy from new coal or nuclear plants. China and other players in Asia are making serious inroads into the market.
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