 In a February 2010 Arizona radio interview, after the host had made lengthy comments claiming that "80 percent" of global warming science "is based on fraud and misinformation," McCain, who had previously countered such inaccurate statements, made no correction.McCain's position on greenhouse gas emissions calls for a timetable mandated by the Environmental Protection Agency that gradually reduces greenhouse ceilings.McCain's stance also includes an emission credit system that regulates each metric ton of greenhouse a company produces.