Actual Reports & Publications
I. General Reports
1.
Wie schädlich ist CO
2
wirklich für unser Klima?
H. Harde, Contribution on EIKE-Blog (European Institute of Climate and Energy), in German,
15. February 2019, Download as PDF-File
https://www.eike-klima-energie.eu/2019/02/15/wie-schaedlich-ist-co2-wirklich-fuer-unser-
klima/
2.
There is No Climate Emergency
Pan-European Declaration of more than 1,870 scientists from 61 countries,
sent to the General-Secretary of the UN and the Executive Secretary of the UNFCCC,
G. Berkhout et al., September 2019. Download
3.
The German Way or the CO
2
Delusion and its Consequences
H. Harde, February 2020,
Download-English, Download-German
Actualized November 2024
Download-German
4.
Stellungnahme zum Entwurf eines Gesetzes zur Weiterentwicklung der Treibhausgasminderungs-
Quote
Öffentliche Anhörung im Umweltausschuss des Bundestages am 21. April 2021:
Deutscher Bundestag - Öffentliche Anhörungen
https://www.bundestag.de/ausschuesse/a16_umwelt/oeffentliche_anhoerungen#url=L2F1
c3NjaHVlc3NlL2ExNl91bXdlbHQvb2VmZmVudGxpY2hlX2FuaG9lcnVuZ2VuLzgyNTYwNC04M
jU2MDQ=&mod=mod544426
Stellungnahme-THG-Minderungsquote-Harde (bundestag.de)
Eingangs-Statement-Harde-Folien (bundestag.de)
5.
Opinion on a “Draft Law for Further Development of the Greenhouse Gas Reduction Rate“
H. Harde, invited as Expert at a Hearing of the German Parliament‘s Committee for Environ-
ment, Nature Conservation and Nuclear Safety, 21 April 2021, Download as PDF: English
6.
Evaluation of the Homogenization Adjustments Applied to European Temperature Records in the
Global Historical Climatology Network Dataset
P. O'Neill, R. Connolly, M. Connolly, W. Soon, B. Chimani, M. Crok, R. de Vos, H. Harde, P.
Kajaba, P. Nojarov, R. Przybylak, D. Rasol, O. Skrynyk, O. Skrynyk, P. Štěpánek, A. Wypych, P.
Zahradníček, Atmosphere 2022, 13, 285, https://doi.org/10.3390/atmos13020285.
II. CO
2
and Solar Radiative Forcing
1.
Was trägt CO
2
wirklich zur globalen Erwärmung bei? Spektroskopische Untersuchungen und
Modellrechnungen zum Einfluss von H
2
O, CO
2
, CH
4
und O
3
auf unser Klima,
H. Harde, Books on Demand, Norderstedt 2011, ISBN: 9 783842 371576.
https://www.amazon.de/tr%C3%A4gt-wirklich-globalen-Erw%C3%A4rmung-
Spektroskopische/dp/3842371578
2.
Radiation and Heat Transfer in the Atmosphere: A Comprehensive Approach on a Molecular
Basis,
H. Harde, International Journal of Atmospheric Sciences (Open Access), vol. 2013,
http://dx.doi.org/10.1155/2013/503727
3.
Advanced two-layer climate model for the assessment of global warming by CO
2
,
H. Harde, Open Journal of Atmospheric and Climate Change, vol. 1, no. 3, pp. 1–50, 2014,
ISSN (Print): 2374-3794, ISSN (Online): 2374-3808
Download
https://www.researchgate.net/publication/268981652_Advanced_Two-
Layer_Climate_Model_for_the_Assessment_of_Global_Warming_by_CO2
https://web.archive.org/web/20160429061756/http://www.scipublish.com/journals/ACC/pa
pers/download/3001-846.pdf
4.
Radiation Transfer Calculations and Assessment of Global Warming by CO
2
H. Harde, International Journal of Atmospheric Sciences, Volume 2017, Article ID 9251034,
pp. 1-30 (2017), https://doi.org/10.1155/2017/9251034
5.
55 New (2019) Scientific Papers Link Solar Activity To Climate Change
Kenneth Richard, on Pierre L. Gosselin‘s blog: No Tricks Zone
https://notrickszone.com/2019/10/03/55-new-2019-scientific-papers-link-solar-activity-to-
climate-change/
6.
How much has the Sun influenced Northern Hemisphere temperature trends? An ongoing
debate
R. Connolly, W. Soon, M. Connolly, S. Baliunas, J. Berglund, C. J. Butler, R. G. Cionco, A. G.
Elias, V. M. Fedorov, H. Harde, G. W. Henry, D. V. Hoyt, O. Humlum, D. R. Legates, S. Lüning,
N. Scafetta, J.-E. Solheim, L. Szarka, H. van Loon, V. M. V. Herrera, R. C. Willson, H. Yan and
W. Zhang,
Review article: Research in Astronomy and Astrophysics 2021, Vol. 21, No. 6, 131(68pp),
doi: 10.1088/1674-4527/21/6/131, Download
http://www.raa-journal.org/raa/index.php/raa/article/view/4906/6081
Press Release: http://www.raa-journal.org/raa/index.php/raa/article/view/4920, Download
7.
How Much CO
2
and the Sun Contribute to Global Warming: Comparison of Simulated
Temperature Trends with Last Century Observations
H. Harde, Science of Climate Change 2022, Vol. 2, no. 2, pp. 105 - 133,
https://doi.org/10.53234/scc202206/10
8.
The Detection and Attribution of Northern Hemisphere Land Surface Warming (1850–2018) in
Terms of Human and Natural Factors: Challenges of Inadequate Data
W. Soon, R. Connolly, M. Connolly, S. Akasofu, S. Baliunas, J. Berglund, A. Bianchini, W. M.
Briggs, C. J. Butler, R. G. Cionco, M. Crok, A. G. Elias, V. M. Fedorov, F. Gervais, H. Harde, G.
W. Henry, D. V. Hoyt, O. Humlum, D. R. Legates, A. R. Lupo, S. Maruyama, P. Moore, M.
Ogurtsov, C. ÓhAiseadha, M. J. Oliveira, S.-S. Park, S. Qiu, G. Quinn, N. Scafetta, J.-E.
Solheim, J. Steele, L. Szarka, H. L. Tanaka, M. K. Taylor, F. Vahrenholt, V. M. Velasco Herrera
and W. Zhang, Climate 2023, Vol. 11, No. 179, pp. 1-36,
https://doi.org/10.3390/cli11090179
9.
Challenges in the Detection and Attribution of Northern Hemisphere Surface Temperature
Trends Since 1850
R. Connolly, W. Soon, M. Connolly, S. Baliunas, J. Berglund, C. J. Butler, R. G. Cionco, A. G.
Elias, V. M. Fedorov, H. Harde, G. W. Henry, D. V. Hoyt, O. Humlum, D. R. Legates, N.
Scafetta, J.-E. Solheim, L. Szarka, V. M. Velasco Herrera, H. Yan and W. Zhang
Res. Astron. Astrophys. 2023: 105015 (20pp), https://doi.org/10.1088/1674-4527/acf18e
III. Carbon Cycle and Atmospheric CO
2
Residence Time
1.
Scrutinizing the carbon cycle and CO
2
residence time in the atmosphere
H. Harde, Global and Planetary Change 152, pp. 19-26 (2017),
http://dx.doi.org/10.1016/j.gloplacha.2017.02.009
2.
Analysis of Temporal Signals of Climate
P. Stallinga, I. Khmelinskii, Natural Science, Vol. 10, No. 10, pp. 393-403 (2018),
https://www.scirp.org/pdf/NS_2018101510264849.pdf
3.
What Humans Contribute to Atmospheric CO
2
: Comparison of Carbon Cycle Models with
Observations
H. Harde, Earth Sciences. Vol. 8, No. 3, pp. 139-158 (2019).
https://doi.org/10.11648/j.earth.20190803.13
4.
Human CO
2
Emissions Have Little Effect on Atmospheric CO
2
E. X. Berry, Intern. Journal of Atmosph. and Oceanic Sciences. Vol. 3, No. 1, 2019, pp. 13-26.
doi: 10.11648/j.ijaos.20190301.13
5.
What Controls the Atmospheric CO
2
Level?
H. Harde, M. L. Salby, Science of Climate Change 2021, Vol. 1, No.1, pp. 54 - 69,
https://doi.org/10.53234/scc202106/22.
6.
Nature Controls the CO
2
Increase
E. X. Berry, Science of Climate Change 2023, Vol. 3.1, pp. 68 - 91
https://doi.org/10.53234/scc202301/21
7.
Control of Atmospheric CO
2
- Part I: Relation of Carbon 14 to Removal of CO
2
,
M. L. Salby, H. Harde, Science of Climate Change 2021, Vol. 1, No.2, pp. 177 -195,
https://doi.org/10.53234/scc202112/30.
8.
Control of Atmospheric CO
2
- Part II: Influence of Tropical Warming
M. L. Salby, H. Harde, Science of Climate Change 2021, Vol. 1, No.2, pp. 196 - 212,
https://doi.org/10.53234/scc202112/12.
9.
Theory of Increasing Greenhouse Gases
M. L. Salby, H. Harde, Science of Climate Change 2022, Vol. 2, No. 3, pp. 212 - 238,
https://doi.org/10.53234/scc202212/17
10.
What Causes Increasing Greenhouse Gases? Summary of a Trilogy
M. Salby, H. Harde, Science of Climate Change 2022, Vol. 2, No. 3, pp. 297 - 301
https://doi.org/10.53234/scc202212/16
11.
Understanding Increasing Atmospheric CO
2
H. Harde, Science of Climate Change 2023, Vol. 3, No. 1, pp. 46 - 67
https://doi.org/10.53234/scc202301/23
12.
Reply to a Comment on: Understanding Increasing Atmospheric CO
2
H. Harde, Science of Climate Change 2023, Vol. 3, No. 1, pp. 114 - 118
https://doi.org/10.53234/scc202301/28
13.
About Historical CO
2
-Data since 1826: Explanation of the Peak around 1940
H. Harde, Science of Climate Change 2023, Vol. 3, No. 2, pp. 211 - 218
https://doi.org/10.53234/scc202304/21
14.
Understanding Increasing CO
2
in the Atmosphere
H. Harde, Contribution on Climate Conference Copenhagen 2023: The Climate Emergency is
Cancelled, September 14, 2023, Science of Climate Change 2023, Vol. 3.4, pp. 369 - 374,
https://doi.org/10.53234/scc202310/12
IV. Greenhouse Effect - Experiments & Calculations
1.
Is there a Greenhouse-Effect?
M. Schnell, H. Harde
https://www.eike-klima-energie.eu/2020/11/17/gibt-es-einen-treibhauseffekt/
Download-English, Download German
2.
Verification of the Greenhouse Effect in the Laboratory
H. Harde, M. Schnell, Science of Climate Change 2022, vol. 2, no. 1, pp. 1 -33,
https://doi.org/10.53234/scc202203/10.
3.
Experimental Verification of the Greenhouse Effect
H. Harde, M. Schnell, Shortened Version of the SCC-paper
Download as PDF
4.
Nachweis des Treibhauseffekts im Labor
H. Harde, M. Schnell, Shortened Version of the SCC-paper in German
Download as PDF
5.
Model-Experiment of the Greenhouse Effect
M. Schnell, H. Harde, Science of Climate Change 2023, Vol. 3.5, pp. 445 - 462,
https://doi.org/10.53234/scc202310/27
6.
Gibt es einen Atmosphärischen Treibhauseffekt? Teil 1
M. Schnell, H. Harde
Download, EIKE 30. März 2024
7.
Gibt es einen Atmosphärischen Treibhauseffekt? Teil 2
H. Harde, M. Schnell
Download, EIKE 31. März 2024
V. Videos & Lectures
1.
What is Really Behind the Increase of Atmospheric CO
2
?
M. L. Salby, Lecture at Helmut-Schmidt-University Hamburg, 10. October 2018,
Video: https://youtu.be/rohF6K2avtY
2.
Was tragen CO
2
und die Sonne zur globalen Erwärmung bei?
H. Harde, Lecture on 12th International EIKE Klima- und Energiekonferenz, and 13th
International Conference on Climate Change (ICCC-13), Munich, 23. a. 24. November, 2018,
Video: https://www.youtube.com/watch?v=ldrG4mn_KCs&feature=youtu.be
3.
How Much CO
2
and the Sun Contribute to Global Warming?
H. Harde, Lecture on Seminar of Klimarealistene on board of the Ferry Oslo-Kiel,
28. September, 2022, Download Pdf
4.
Interview Kontrafunk aktuell mit H. Harde, 31. Mai 2023: IPCC - NIPCC
https://kontrafunk.radio/de/sendung-nachhoeren/politik-und-zeitgeschehen/kontrafunk-
aktuell/kontrafunk-aktuell-vom-31-mai-2023#id-article
5.
What Humans Contribute to Climate Change?
H. Harde, Lecture on 28th May, 2024, in Oslo, Norwegian Climate Realists
Video: https://youtu.be/CEzXovSbTpc
Physics & Climate