In a hillside slum with breathtaking views of Rio de Janeiro's famed Copacabana beach, a rooftop covered in photovoltaic panels glitters in the tropical sun—one of many in Brazil's first favela solar energy project.
source https://www.lifetechnology.com/blogs/life-technology-technology-news/solar-energy-projects-lower-bills-in-rio-de-janeiro-favelas
