2007: The IPCC predicted 1ºC of warming by 2100
http://www.ipcc.ch/pdf/assessment-report/ar4/wg1/ar4-wg1-spm.pdf
2008: The Hadley Centre for Meteorological Research predicted 2ºC by 2100
http://www.metoffice.gov.uk/media/pdf/s/g/informing-choices-adaptation.pdf
Mid-2009: The UN Environment Programme predicted 3.5ºC by 2100
http://www.unep.org/compendium2009/
October 2009: The Hadley Centre updates their prediction to 4ºC by 2060
http://www.theguardian.com/environment/2009/sep/28/met-office-study-global-warming
November 2009: The Global Carbon Project predicts 6ºC by 2100
http://www.globalcarbonproject.org
November 2009: the Copenhagen Diagnosis predicted 7ºC by 2100
http://www.copenhagendiagnosis.com
December 2010: The UN Environment Programme predicts 5ºC increase by 2050
http://www.unep.org/pdf/UNEPEmissionsGapReport2013.pdf
2012: The IEA’s World Energy Outlook report predicts 2ºC increase by 2017
http://www.iea.org/publications/freepublications/publication/English.pdf
November 2013: The International Energy Agency now predicts 3.5ºC by 2035
http://www.csmonitor.com/World/Global-Issues/2010/1111/Global-temperature-to-rise-3.5-degrees-C.-by-2035-International-Energy-Agency
http://www.motherjones.com/environment/2012/04/climate-action-cheap-david-kennedy
March 2014: NASA scientists: “industrial civilization risks irreversible collapse”
http://www.theguardian.com/environment/earth-insight/2014/mar/14/nasa-civilisation-irreversible-collapse-study-scientists
I can't claim responsibility for compiling this excellent list, it came from this article:
http://www.thenation.com/article/177614/coming-instant-planetary-emergency#
