Mongabay: Nearly 1500 people formed a human banner on a beach in Rio de Janeiro today to protest plans to build dozens of dams in the Amazon basin, reports Amazon Watch, an NGO campaigning against Brazil’s controversial Belo Monte dam. The image depicted a first nations member reaching toward the sun and included text reading “Rios para a vida” (“Rivers for life”). Organizers say the display “symbolized the important role of indigenous knowledge and a strong preference for meeting our collective energy needs…