Mongabay: Brazilian President Dilma Rousseff disappointed environmentalists with what they call weak commitments on reducing deforestation and supporting renewable energy. In a joint declaration issued with President Obama after her visit to the White House, Rousseff outlined three commitments for Brazil's contribution to reducing greenhouse gas emissions, including eliminating "illegal deforestation", restoring 12 million hectares of forests, and producing 28-32 of its energy from renewable sources other...