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Brazil: White Roofs to Fight Global Warming

(Apr. 6, 2011) On March 29, 2011, the Legislative Assembly of the State of Rio de Janeiro approved, during the first session of debate, a bill of law that some say, if adopted, might help fight global warming. The bill was proposed by State Deputy Luiz Paulo Cunha and calls for the roofs of all future public construction undertaken by the state company CEHAB (Companhia Estadual de Habitação) in the state of Rio de Janeiro to be painted white.

According to Cunha, the adoption of this practice would compensate for part of the carbon dioxide produced by the state and reduce the amount of energy consumption, because the roof would reflect the sunlight, helping to save electricity.

The bill did not receive any amendment and will be discussed a second time. If approved, it will be sent to Governor Sérgio Cabral for his approval and signature. (Habitações do Estado do Rio Poderão Ter telhados Pintados de Branco para Reduzir Aquecimento Global, O GLOBO (Mar. 30, 2011).)