---
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  .reference_type: 0
  Author: "Kennedy, J.J.\rP.W. Thorne\rT.C. Peterson\rR.A. Reudy\rP.A. Stott\rD.E. Parker\rS.A. Good\rH.A. Titchner\rK.M. Willett"
  DOI: 10.1175/BAMS-91-7-StateoftheClimate
  ISSN: 1520-0477
  Issue: 7
  Journal: Bulletin of the American Meteorological Society
  Pages: S26-27
  Title: 'How do we know the world has warmed?  [in “State of the Climate in 2009”]'
  URL: http://journals.ametsoc.org/doi/abs/10.1175/BAMS-91-7-StateoftheClimate
  Volume: 91
  Year: 2010
  _chapter: '["Ch. 2: Our Changing Climate FINAL","Appendix 4: FAQs FINAL","NCA Report Citations","Appendix 3: Climate Science FINAL"]'
  _record_number: 856
  _uuid: 25578196-95d0-4ac7-b889-0e863985423d
  reftype: Journal Article
child_publication: /report/bams-state-of-the-climate-2009
description: 'How do we know the world has warmed?  [in “State of the Climate in 2009”]'
display_name: 'How do we know the world has warmed?  [in “State of the Climate in 2009”]'
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  - /report/nca3/chapter/executive-summary
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