Petroleum, coal, natural gas, hydroelectric, solar, geothermal, wind, nuclear, biofuel and even wastes are energy sources represented in the Fontes de Energía (Sources of energy) infographic, published in the Fique por dentro (Look inside) section of the Tempo de Ciências (Science Time) book of 9th year of Basic Education II. Editora do Brasil added a table with the world energy supply.
