"The Guardian" also referred to a team of scientists from Uppsala University in Sweden who studied the 2008 World Energy Outlook and concluded the forecasts of the IEA were unattainable. According to their peer-reviewed report, oil production in 2030 would not exceed while the IEA forecasts a production of . The lead author of the report, Dr. Kjell Aleklett, has claimed that IEA's reports are "political documents". Other research from the same group has thoroughly reviewed oil projections done by the IEA World Energy Outlook.