Reuters: Brazil is considering capping its greenhouse gas emissions at 2005 levels as it finalizes its proposals ahead of December’s global climate summit, Environment Minister Carlos Minc said on Tuesday. Minc said he proposed the target during a meeting with President Luiz Inacio Lula da Silva and several other Cabinet members as Brazil seeks to define this month its final proposal for the United Nations climate summit in Copenhagen. The South American nation is expected to play a key …