Intergovernmental Panel on Climate Change (IPCC)

1988: IPCC established by UNEP and WMO

1990, Report #1

1995, Report #2 "Summary for Policy Makers" (with consensus graph)

2001, Report #3 "Climate Change 2001: The Scientific Basis" (with hockey stick graph)

Concensus Graph vs Hockey Stick from Plimer, 2009; p. 89

• Denied the Medieval Warming and the Little Ice Age
• Claimed abrupt unprecedented warming (AGW) in the 20th century
• Claimed the 1990s was the hottest decade in the 20th century
• Claimed that 1998 was the hottest year of the millenium

2003, the M&M expose

2006, the Wegman Report

2006, the Al Gore movie

2007, Report #4, Nobel Peace Prize (with the Al Gore), the Kyoto Protocol