Grist: In Brazil, the biofuel industry is booming. In 2013-2014, the country produced 7.3 billion gallons of ethanol from sugarcane second only to the United States. Biofuel has been hailed as a type of renewable energy that will save us from the destructive depths of hell that is fossil fuels, and Brazil has been described as a model for other countries. However, many of us know that using ethanol on such a large scale raises concerns of its environmental impact. The biofuel industry boom has resulted...