The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. September 17, 2013 Report: 50 Top Firms Produce 73 Percent of Emissions ----------------------------------------------------- A new report has found 50 of the world's top corporations produce 73 percent of greenhouse gas emissions that fuel global warming. According to the Global 500 Climate Change Report, Wal-Mart and Exxon Mobil are among the top 50 polluters whose emissions have risen about 1.7 percent since 2009. .