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Rich Enthoven | April 21, 2019 Recently, NASA released its annual report on global temperatures and reported that 2018 was the fourth hottest year on record, surpassed only by three recent years. This claim was accompanied by dire predictions of climate change and for immediate action to dramatically curtail CO2 emissions around the globe. Like every concerned citizen read this report with interest. I also read it as an informed and trained climate analyst – and I can tell that there are some serious problems with the report and its conclusions.

Principia Scientific April 8, 2019 by John O’Sullivan The new millenium is seeing revolutionary change in our understanding of carbon dioxide (CO2). Once the demon global warming gas, scientists are increasingly accepting they got that wrong. We examine some of the astonishing developments. Robin Wylie, is a doctoral candidate in volcanology, at University College London. Like other experts in this field he will shock you with a surprising new fact. Planet Earth is a heavy smoker. The true extent of its habit, though, has only recently begun to surface. Until around the start of this new century, the academic consensus …

The falsification of the radiative greenhouse gas effect By: Tom D Tamarkin We have aligned the Great Climate Debate Mango project and EnergyCite with Vereins Fortschritt in Freiheit e.V. zu „Klimawandel“ und „Klimaschutz“ or the Association for Progress in Freedom on “Climate Change” and “Climate Protection” (APFC) in cologne, Germany. APFC’s position on AGW/climate change is quite simple and rests on the fact that “greenhouse gases” (water vapor, carbon dioxide, methane, nitrous oxide, CFCs, and the like) do not transfer heat through the so called IR radiative greenhouse gas theory and that theory has been proven false within the frame …

C.A.Varotsos, M.N.Efstathiou Journal of Atmospheric and Solar-Terrestrial Physics Volume 182, January 2019, Pages 31-38 https://doi.org/10.1016/j.jastp.2018.10.020 Highlights • The global warming during 1978–2018 was not more enhanced at high latitudes near the surface. • The intrinsic properties of the lower stratospheric temperature are not related to those in the troposphere. • The results obtained do not reveal the global warming occurrence.

Principia Scientific Tim Ball | April 15, 2016 We recently published an article by Edward Hoskins entitled “The Junk Science Of A Supposed Climate Sensitivity Formula”. The author requested a review from PSI’s former chairman Dr. Tim Ball, which we pleased to be publishing below with extracts from the original article.

Ed Hoskins August 10, 2014 Using data published by the IPCC on the diminishing effect of increasing CO2 concentrations and the latest proportional information on global Man-made CO2 emissions, these notes examine the potential for further warming by CO2 emissions up to 1000ppmv and the probable consequences of decarbonisation policies being pursued by Western governments. The temperature increasing capacity of atmospheric CO2 is real enough, but its influence is known and widely accepted to diminish as its concentration increases. It has a logarithmic in its relationship to concentration. Global Warming advocates and Climate Change sceptics both agree on this.

By Ed Hoskins May 8, 2013 According to well understood physical parameters, the effectiveness of CO2 as a greenhouse gas diminishes logarithmically with increasing concentration and from the current level of ~390 ppmv, (parts per million by volume). Accordingly only ~5% of the effectiveness of CO2 as a greenhouse gas remains beyond the current level. This inconvenient fact is well understood in the climate science community. It can be accurately modeled using the Modtran program maintained and supported at the University of Chicago.