By Pilar Olivares and Fabio Teixeira Solar power project in Brazil favelas hopes to shine in G20 spotlight RIO DE JANEIRO, - For residents of Morro da Babilonia, one of Rio de Janeiro's underdeveloped 'favela' neighborhoods, geopolitics rarely enters daily conversation, but as the city readies to host leaders from the Group of 20 major economies on Monday, locals hope …
