AGW Observer

Observations of anthropogenic global warming

Anti-AGW papers debunked

(M) = mainstream paper but has been used one way or the other to advance anti-AGW views. Abs = abstract. Give feedback for this page here.

  • Akasofu (2010) “On the recovery from the Little Ice Age” [Abs, Full]
  • Akasofu (2013) “On the Present Halting of Global Warming” [Abs, Full]
    • Nuccitelli et al. (2013) “Comment on: Akasofu, S.-I. On the Present Halting of Global Warming. Climate 2013, 1, 4–11” [Abs, Full]
  • Alimonti et al. (2022) “RETRACTED ARTICLE: A critical assessment of extreme events trends in times of global warming” [Abs and Full]
  • Armstrong et al. (2008) “Polar Bear Population Forecasts: A Public-Policy Forecasting Audit” [Abs, Full]
    • Amstrup et al. (2009) “Rebuttal of “Polar Bear Population Forecasts: A Public-Policy Forecasting Audit”” [Abs, Full]
  • Beck (2007) “180 Years of atmospheric CO2 gas analysis by chemical methods” [Abs, Full]
  • Carter (2008) “Knock, knock: where is the evidence for dangerous human-caused global warming?” [Abs, Full]
    • Ward (2010) “Comment: ‘Knock, Knock: Where is the Evidence for Dangerous Human-Caused Global Warming?’ by Robert M. Carter” [Full]
  • Chase et al. (2006) “Was the 2003 European summer heat wave unusual in a global context?” [Abs, Full]
    • Connolley (2008) “Comment on “Was the 2003 European summer heat wave unusual in a global context?” by Thomas N. Chase et al.” [Abs, Full]
  • Chilingar et al. (2008) “Cooling of Atmosphere Due to CO2 Emission” [Abs]
  • Chou et al. (2002) “Comments on “The Iris Hypothesis: A Negative or Positive Cloud Feedback?”” [Abs, Full]
    • Chambers et al. (2002) “Reply” [Abs, Full]
  • Douglass et al. (2007) “A comparison of tropical temperature trends with model predictions” [Abs, Full]
  • Douglass & Knox (2012) “Ocean heat content and Earthʼs radiation imbalance. II. Relation to climate shifts” [Abs, Full]
  • Dyck et al. (2007) “Polar bears of western Hudson Bay and climate change: Are warming spring air temperatures the “ultimate” survival control factor?” [Abs, Full]
    • Stirling et al. (2008) “Response to Dyck et al. (2007) on polar bears and climate change in western Hudson Bay” [Abs, Full]
  • Frauenfeld et al. (2011) “A reconstruction of annual Greenland ice melt extent, 1784–2009” [Abs]
  • Friis-Christensen & Lassen (1991) “Length of the Solar Cycle: An Indicator of Solar Activity Closely Associated with Climate” [Abs, Full]
    • Damon & Peristykh (1999) “Solar cycle length and 20th Century northern hemisphere warming: Revisited” [Abs]
    • Laut & Gundermann (2000) “Is There a Correlation between Solar Cycle Lengths and Terrestrial Temperatures? Old Claims and New Results” [Abs+Full]
    • Damon & Laut (2004) “Pattern of strange errors plagues solar activity and terrestrial climate data” [Abs, Full]
  • Gerlich & Tscheuschner (2009) “Falsification of the atmospheric CO2 greenhouse effects within the frame of physics” [Abs, Full]
    • Halpern et al. (2010) “Comment on “Falsification of the atmospheric CO2 greenhouse effects within the frame of physics”” [Abs]
  • Harde (2017) “Scrutinizing the carbon cycle and CO2 residence time in the atmosphere” [Abs, Full]
    • Köhler et al. (2018) “Comment on “Scrutinizing the carbon cycle and CO2 residence time in the atmosphere” by H. Harde” [Abs, Full]
    • Grosjean et al. (2018) “Commentary: H. Harde: “Scrutinizing the carbon cycle and CO2residence time in the atmosphere”. Global and Planetary Change 152 (2017), 19–26.” [Abs]
  • Humlum et al. (2013) “The phase relation between atmospheric carbon dioxide and global temperature” [Abs]
    • Richardson (2013) “Comment on “The phase relation between atmospheric carbon dioxide and global temperature” by Humlum, Stordahl and Solheim” [Abs]
    • Masters & Benestad (2013) “Comment on “The phase relation between atmospheric carbon dioxide and global temperature”” [Abs]
    • Kern & Leuenberger (2013) “Comment on “The phase relation between atmospheric carbon dioxide and global temperature” Humlum et al. [Glob. Planet. Change 100: 51-69.]: Isotopes ignored” [Abs]
  • Idso (1980) “The Climatological Significance of a Doubling of Earth’s Atmospheric Carbon Dioxide Concentration” [Abs]
    • Hansen et al. (1981) “Climate Impact of Increasing Atmospheric Carbon Dioxide” [Abs, Full]
    • Ramanathan (1981) “The Role of Ocean-Atmosphere Interactions in the CO2 Climate Problem” [Abs, Full]
    • Cess & Potter (1984) “A commentary on the recent CO2-climate controversy” [Abs, Full]
    • Schneider (1984) “‘Natural experiments’ and CO2-induced Climate Change: The controversy drags on — An editorial” [Abs, Full]
  • Idso (1982) “A surface air temperature response function for earth’s atmosphere” [Abs, Full]
    • Cess & Potter (1984) “A commentary on the recent CO2-climate controversy” [Abs, Full]
  • Idso (1987) “A clarification of my position on the CO2/climate connection” [Abs]
    • Potter et al. (1987) “A clarification of certain issues related to the CO2—Climate problem” [Abs, Full]
  • Khilyuk & Chilingar (2006) “On global forces of nature driving the Earth’s climate. Are humans involved?” [Abs]
    • Aeschbach-Hertig (2006) “Rebuttal of “On global forces of nature driving the Earth’s climate. Are humans involved?” by L. F. Khilyuk and G. V. Chilingar” [Abs]
  • Klotzbach et al. (2009) “An alternative explanation for differential temperature trends at the surface and in the lower troposphere” [Abs]
  • Knorr (2009) (M) “Is the airborne fraction of anthropogenic CO2 emissions increasing?” [Abs, Full]
  • Lassen & Friis-Christensen (1995) “Variability of the solar cycle length during the past five centuries and the apparent association with terrestrial climate” [Abs]
    • Laut & Gundermann (2000) “Is There a Correlation between Solar Cycle Lengths and Terrestrial Temperatures? Old Claims and New Results” [Abs+Full]
    • Laut (2003) “Solar activity and terrestrial climate: an analysis of some purported correlations” [Abs, Full]
    • Damon & Laut (2004) “Pattern of strange errors plagues solar activity and terrestrial climate data” [Abs, Full]
  • Lassen & Friis-Christensen (2000) [Abs]
    • Laut (2003) “Solar activity and terrestrial climate: an analysis of some purported correlations” [Abs, Full]
    • Damon & Laut (2004) “Pattern of strange errors plagues solar activity and terrestrial climate data” [Abs, Full]
  • Lewis (2013) “An objective Bayesian, improved approach for applying optimal fingerprint techniques to estimate climate sensitivity” [Abs]
  • Lindzen et al. (2001) “Does the Earth Have an Adaptive Infrared Iris?” [Abs, Full]
    • Hartmann & Michelsen (2002) “No Evidence for Iris” [Abs, Full]
    • Harrison (2002) “Comments on “Does the Earth Have an Adaptive Infrared Iris?”” [Abs, Full]
    • Lin et al. (2002) “The Iris Hypothesis: A Negative or Positive Cloud Feedback?” [Abs, Full]
    • Fu et al. (2002) “Tropical cirrus and water vapor: an effective Earth infrared iris feedback?” [Abs, Full]
    • Del Genio & Kovari (2002) “Climatic Properties of Tropical Precipitating Convection under Varying Environmental Conditions” [Abs, Full]
    • Chambers et al. (2002) “Reply” [Abs, Full]
    • Lin et al. (2003) “The decadal tropical mean radiation data and the Iris hypothesis” [Abs]
    • Lin et al. (2004) “Examination of the Decadal Tropical Mean ERBS Nonscanner Radiation Data for the Iris Hypothesis” [Abs, Full]
    • Rapp et al. (2005) “An Evaluation of the Proposed Mechanism of the Adaptive Infrared Iris Hypothesis Using TRMM VIRS and PR Measurements” [Abs, Full]
  • Lindzen & Choi (2009) “On the determination of climate feedbacks from ERBE data” [Abs, Full]
    • Trenberth et al. (2010) “Relationships between tropical sea surface temperature and top-of-atmosphere radiation” [Abs, Full]
    • Lin et al. (2010) “Can climate sensitivity be estimated from short-term relationships of top-of-atmosphere net radiation and surface temperature?” [Abs]
    • Murphy (2010) “Constraining climate sensitivity with linear fits to outgoing radiation” [Abs]
    • Dessler (2010) “A Determination of the Cloud Feedback from Climate Variations over the Past Decade” [Abs, full]
    • [BLOG] AGW Observer
    • [BLOG] RealClimate
    • [BLOG] RealClimate 2
    • [BLOG] RealClimate 3
    • [BLOG] Dot Earth
  • Lindzen & Choi (2011) “On the observational determination of climate sensitivity and its implications” [Abs, full]
    • Dessler (2011) “Cloud variations and the Earth’s energy budget” [Abs, full]
  • Lu (2009) “Cosmic-ray-driven electron-induced reactions of halogenated molecules adsorbed on ice surfaces: Implications for atmospheric ozone depletion and global climate change” [Abs]
  • Loehle (2007) “A 2000-year global temperature reconstruction based on non-treering proxies” [Abs, Full]
  • Loehle (2009) “Cooling of the global ocean since 2003” [Abs]
  • Lyman et al. (2006) (M) “Recent cooling of the upper ocean” [Abs, Full]
    • Willis et al. (2007) “Correction to “Recent Cooling of the Upper Ocean”” [Full]
    • Willis et al. (2009) “In Situ Data Biases and Recent Ocean Heat Content Variability” [Abs, Full]
    • [BLOG] Earth Observatory
  • Marsh & Svensmark (2000) “Low Cloud Properties Influenced by Cosmic Rays” [Abs, Full]
    • Laut (2003) “Solar activity and terrestrial climate: an analysis of some purported correlations” [Abs, Full]
  • McIntyre & McKitrick (2003) “Corrections to the Mann et. al.(1998) proxy data base and northern hemispheric average temperature series” [Abs]
    • Juckes et al. (2007) “Millennial temperature reconstruction intercomparison and evaluation” [Abs, Full]
    • Wahl & Ammann (2007) “Robustness of the Mann, Bradley, Hughes reconstruction of Northern Hemisphere surface temperatures: Examination of criticisms based on the nature and processing of proxy climate evidence” [Abs, Full]
  • McIntyre & McKitrick (2005) “Hockey sticks, principal components, and spurious significance” [Abs, Full]
    • von Storch & Zorita (2005) “Comment on “Hockey sticks, principal components, and spurious significance” by S. McIntyre and R. McKitrick” [Abs, Full]
    • Mann et al. (2007) “Robustness of proxy-based climate field reconstruction methods” [Abs, Full]
    • Wahl & Ammann (2007) “Robustness of the Mann, Bradley, Hughes reconstruction of Northern Hemisphere surface temperatures: Examination of criticisms based on the nature and processing of proxy climate evidence” [Abs, Full]
  • McIntyre & McKitrick (2005) “The M&M Critique of the MBH98 Northern Hemisphere Climate Index: Update and Implications” [Abs, Full]
    • Juckes et al. (2007) “Millennial temperature reconstruction intercomparison and evaluation” [Abs, Full]
    • Wahl & Ammann (2007) “Robustness of the Mann, Bradley, Hughes reconstruction of Northern Hemisphere surface temperatures: Examination of criticisms based on the nature and processing of proxy climate evidence” [Abs, Full]
  • McKitrick & Michaels (2007) “Quantifying the influence of anthropogenic surface processes and inhomogeneities on gridded global climate data” [Abs, Full]
  • McLean et al. (2009) “Influence of the Southern Oscillation on tropospheric temperature” [Abs, Full]
  • McShane & Wyner (2010) “A Statistical Analysis of Multiple Temperature Proxies: Are Reconstructions of Surface Temperatures Over the Last 1000 Years Reliable?” [Full]
    • Rougier (2010) “Discussion of “A Statistical Analysis of Multiple Temperature Proxies: Are Reconstructions of Surface Temperatures Over the Last 1000 Years Reliable?” by McShane & Wyner” [Full]
    • Smerdon (2010) “Discussion of “A Statistical Analysis of Multiple Temperature Proxies: Are Reconstructions of Surface Temperatures Over the Last 1000 Years Reliable?” by McShane & Wyner” [Full]
    • Davis & Liu (2010) “Discussion to McShane and Wyner paper, “A Statistical Analysis of Multiple Temperature Proxies”” [Full]
    • Schmidt et al. (2010) “A comment on “A Statistical Analysis of Multiple Temperature Proxies: Are Reconstructions of Surface Temperatures Over the Last 1000 Years Reliable?” by McShane & Wyner” [Full]
    • Tingley (2010) “Spurious predictions with random time series: The LASSO in the context of paleoclimatic reconstructions. A Discussion of “A Statistical Analysis of Multiple Temperature Proxies: Are Reconstructions of Surface Temperatures Over the Last 1000 Years Reliable?” by Blakeley B. McShane and Abraham J. Wyner” [Full]
    • Rajaratnam & Craigmile (2010) “A Statistical Analysis of Multiple Temperature Proxies: Are Reconstructions of Surface Temperatures Over the Last 1000 Years Reliable?” Discussion of the Paper by McShane and Wyner” [Full]
    • Haran & Urban (2010) “Discussion of “A Statistical Analysis of Multiple Temperature Proxies: Are Reconstructions of Surface Temperatures Over the Last 1000 Years Reliable?” by McShane and Wyner” [Full]
    • Berliner (2010) “Discussion” [Full]
    • Wahl & Ammann (2010) “Comment on “A Statistical Analysis of Multiple Temperature Proxies: Are Reconstructions of Surface Temperatures Over the Last 1000 Years Reliable?” by McShane and Wyner” [Full]
    • Nychka & Li (2010) “Discussion to: “A Statistical Analysis of Multiple Temperature Proxies” McShane and Wyner” [Full]
    • Kaplan (2010) “Discussion of: “A Statistical Analysis of Multiple Temperature Proxies: Are Reconstructions of Surface Temperatures Over the Last 1000 Years Reliable?”” [Full]
    • [BLOG] Deltoid (see also comment section)
    • [BLOG] Rabett Run
    • [BLOG] Climate Progress
    • [BLOG] The Policy Lass
  • Miskolczi (2007) “Greenhouse effect in semi-transparent planetary atmospheres” [Abs, Full]
  • Newell & Dopplick (1980) “Questions Concerning the Possible Influence of Anthropogenic CO2 on Atmospheric Temperature” [Abs, Full]
    • Ramanathan (1981) “The Role of Ocean-Atmosphere Interactions in the CO2 Climate Problem” [Abs, Full]
    • Cess & Potter (1984) “A commentary on the recent CO2-climate controversy” [Abs, Full]
  • Pallé et al. (2004) “Changes in Earth’s Reflectance over the Past Two Decades” [Abs, Full]
    • Wielicki et al. (2005) “Changes in Earth’s Albedo Measured by Satellite” [Abs, Full]
    • Evan et al. (2007) “Arguments against a physical long-term trend in global ISCCP cloud amounts” [Abs, Full]
    • Loeb et al. (2007) “Multi-Instrument Comparison of Top-of-Atmosphere Reflected Solar Radiation” [Abs, Full]
    • [BLOG] Skeptical Science
  • Pallé et al. (2005) “A multi-data comparison of shortwave climate forcing changes” [Abs, Full]
    • Bender (2006) “Comment on ‘‘A multi-data comparison of shortwave climate forcing changes’’ by Palle´ et al.” [Full]
  • Pielke et al. (2007) “Unresolved issues with the assessment of multidecadal global land surface temperature trends” [Abs, Full]
    • Parker et al. (2009) “Comment on “Unresolved issues with the assessment of multidecadal global land surface temperature trends” by Roger A. Pielke Sr. et al.” [Abs]
  • Samanta et al. (2010) (M) “Amazon forests did not green-up during the 2005 drought” [Abs]
  • Scafetta & West (2003) “Solar Flare Intermittency and the Earth’s Temperature Anomalies” [Abs, Full]
  • Scafetta & West (2005) “Estimated solar contribution to the global surface warming using the ACRIM TSI satellite composite” [Abs, Full]
    • Lean (2006) “Comment on “Estimated solar contribution to the global surface warming using the ACRIM TSI satellite composite” by N. Scafetta and B. J. West” [Abs]
    • Benestad & Schmidt (2009) “Solar trends and global warming” [Abs, Full]
    • [BLOG] RealClimate
  • Scafetta & West (2006a) “Phenomenological solar contribution to the 1900–2000 global surface warming” [Abs, Full]
  • Scafetta & West (2006b) “Phenomenological solar signature in 400 years of reconstructed Northern Hemisphere temperature record” [Abs, Full]
    • Benestad & Schmidt (2009) “Solar trends and global warming” [Abs, Full]
    • [BLOG] RealClimate
  • Scafetta & West (2007) “Phenomenological reconstructions of the solar signature in the Northern Hemisphere surface temperature records since 1600” [Abs, Full]
    • Benestad & Schmidt (2009) “Solar trends and global warming” [Abs, Full]
    • [BLOG] RealClimate
  • Scafetta & West (2008) “Is climate sensitive to solar variability?” [Abs, Full]
    • Benestad & Schmidt (2009) “Solar trends and global warming” [Abs, Full]
    • [BLOG] RealClimate
  • Scafetta & Willson (2009) “ACRIM-gap and TSI trend issue resolved using a surface magnetic flux TSI proxy model” [Abs, Full]
    • Krivova et al. (2009) “ACRIM-gap and total solar irradiance revisited: Is there a secular trend between 1986 and 1996?” [Abs, Full]
    • [BLOG] Rabett Run
    • [BLOG] Skeptical Science
  • Schwartz (2007) (M) “Heat capacity, time constant, and sensitivity of Earth’s climate system” [Abs, Full]
    • Foster et al. (2008) “Comment on ‘‘Heat capacity, time constant, and sensitivity of Earth’s climate system’’ by S. E. Schwartz” [Full]
    • Knutti et al. (2008) “Comment on ‘‘Heat capacity, time constant, and sensitivity of Earth’s climate system’’ by S. E. Schwartz” [Full]
    • Schwartz (2008) “Reply to comments by G. Foster et al., R. Knutti et al., and N. Scafetta on ‘‘Heat capacity, time constant, and sensitivity of Earth’s climate system’’” [Full]
    • [BLOG] Skeptical Science
    • [BLOG] James Annan
    • [BLOG] James Annan 2
    • [BLOG] Tamino
  • Schwartz et al. (2010) (M) “Why Hasn’t Earth Warmed as Much as Expected?” [Abs, Full]
  • Shani & Arad (2014) “Climate change and tourism: Time for environmental skepticism” [Abs]
    • Hall et al. (2015) “No time for smokescreen skepticism: A rejoinder to Shani and Arad” [Abs, Full]
      • Shani & Arad (2015) “There is always time for rational skepticism: Reply to Hall et al” [Abs]
        • Hall et al. (2015) “Denying bogus skepticism in climate change and tourism research” [Abs, Full]
    • Hall et al. (2015) “On climate change skepticism and denial in tourism” [Abs, Full]
  • Shapiro et al. (2011) (M) “A new approach to the long-term reconstruction of the solar irradiance leads to large historical solar forcing” [Abs, full]
  • Solomon et al. (2010) (M) “Contributions of Stratospheric Water Vapor to Decadal Changes in the Rate of Global Warming” [Abs]
  • Soon & Baliunas (2003) “Proxy climatic and environmental changes of the past 1000 years” [Abs, Full]
    • Jones & Mann (2004) “Climate over past millennia” [Abs, Full]
    • Osborn & Briffa (2006) “The Spatial Extent of 20th-Century Warmth in the Context of the Past 1200 Years” [Abs, Full]
    • Juckes et al. (2007) “Millennial temperature reconstruction intercomparison and evaluation” [Abs, Full]
  • Spencer et al. (2007) [Abs, full]
    • Lin et al. (2010) [Abs]
  • Spencer & Braswell (2008) [Abs, full]
  • Spencer & Braswell (2009) [Abs]
    • Lin et al. (2010) [Abs]
  • Spencer & Braswell (2010) [Abs, full]
  • Spencer & Braswell (2011) [Abs, full]
  • Svensmark & Friis-Christensen (1997) [Abs, Full]
  • Svensmark (1998) [Abs, Full]
  • Svensmark et al. (2009) [Abs, Full]
  • Thejll & Lassen (2000) [Abs, Full]
  • Tung & Zhou (2013) [Abs, Full]
  • Zharkova et al. (2019) “Oscillations of the baseline of solar magnetic field and solar irradiance on a millennial timescale” [Abs, Full]