{"id":329837,"date":"2024-05-24T08:56:04","date_gmt":"2024-05-24T06:56:04","guid":{"rendered":"https:\/\/climatescience.press\/?p=329837"},"modified":"2024-05-24T08:56:07","modified_gmt":"2024-05-24T06:56:07","slug":"alps-glacier-history-contradicts-german-high-court-claim-of-co2-linear-relationship","status":"publish","type":"post","link":"https:\/\/climatescience.press\/?p=329837","title":{"rendered":"Alps\u2019 Glacier History Contradicts German High Court Claim Of CO2 \u201cLinear Relationship\u201d"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

<\/p>\n\n\n\n

From NoTricksZone<\/a><\/p>\n\n\n\n

By\u00a0P Gosselin<\/a><\/em><\/p>\n\n\n\n

With comparatively stable CO2<\/sub>\u00a0levels over 10,500 years, temperatures still fluctuated within a range of -4 to +3 \u00b0C.<\/em><\/strong><\/p>\n\n\n\n

Yet, German Constitutional High Court preposterously claims there is an \u201calmost linear relationship\u201d between CO2 and temperature.<\/em><\/strong><\/p>\n\n\n\n

Junk mandated to \u201cscience\u201d by law?<\/p>\n\n\n\n

Alpine glaciers: spoilsports for the CO2<\/sub> climate hypothesis<\/h2>\n\n\n\n

The CO2<\/sub> introduced into the atmosphere by humans through the burning of fossil fuels is declared by today\u2019s climate science as a \u201cgreenhouse gas\u201d to be the decisive factor in an impending climate catastrophe. It is claimed that \u201cnever before\u201d temperatures on earth had been rising at such rates as nowadays. The Alpine glaciers are often referred to as key witnesses to this argument. This \u201ceternal\u201d ice is said to be under existential threat from climate change. The \u201cdeath\u201d of glaciers is mourned on radio, in TV-shows and in the printed press. To prevent this impending catastrophe, the advanced civilization to which we owe our comparatively healthy and carefree lifestyle must be scrapped: let\u2019s do away with coal, oil, gas and nuclear energy, with cars, steel, aluminum, concrete\u2026.and as a consequence also with modern medicine<\/em>.<\/p>\n\n\n\n

By Fred F. Mueller<\/strong><\/p>\n\n\n

\n
\"\"
Fig. 1:: Just as its peers in the Alps, the Great Aletsch Glacier \u2013 seen here from the Jungfraujoch \u2013 is being stylized as a \u201ccrown witness\u201d of CO2<\/sub>-induced climate change (Photo: Private)<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n

The United Nations assumes that the CO2<\/sub> emissions introduced into the atmosphere by humans are warming the climate due to a \u201cgreenhouse effect\u201d. This greenhouse effect is said to endanger our existence. This thesis is propagated by its offshoot, the Intergovernmental Panel on Climate Change (IPCC), as irrefutable scientific truth. Claims to this effect are constantly repeated in countless scientific and journalistic publications. It is particularly emphasized that it is imperative to \u201crecognize CO2<\/sub> as the principal climate control knob<\/a>\u201d 1)<\/sup>.<\/p>\n\n\n\n

In the meantime, clever representatives of the \u201cgreen\u201d climate movement have ensured that this view has even been enshrined as an incontrovertible truth in supreme court rulings by the German Federal Constitutional Court and the European Court of Human Rights (ECtHR), among others.<\/p>\n\n\n

\n
\"\"
Figure 2<\/strong>: The so-called\u00a0\u201cclimate judgment\u201d of the German Federal Constitutional Court<\/a>\u00a02)<\/sup>\u00a0elevates the central IPCC thesis on the alleged harmfulness of CO2<\/sub>\u00a0to a nearly incontrovertible truth with quasi constitutional status (graphic: author).<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n

Since this ruling, Germany is on a one-way highway to hell into an economic and social abyss. From now on all governments are obliged to reduce CO2<\/sub> emissions to zero by 2045<\/a> 3)<\/sup>, regardless of the impact this has on the economy and the well-being of the population. Any fanatic NGO can sue the German state if it is not content with the reduction achieved. Worse still, the current greens, socialists and liberals government is already preparing further legislation to deny future governments any opportunity to revise this course again.<\/p>\n\n\n\n

A law currently being prepared by (Liberal) Minister Buschmann is supposedly intended to \u201cprotect the constitutional court from undemocratic successor governments.\u201d In reality, the new law will prevent even democratic majorities from overturning the Federal Constitutional Court ruling and the resulting regulations. Without any regard for the misery this will imply for the population.<\/p>\n\n\n\n

Friedrich Merz and his conservative CDU have already signaled their support for this project.<\/p>\n\n\n\n

\u201cNatural\u201d CO2<\/sub> levels of the past<\/strong><\/p>\n\n\n\n

But let\u2019s now have a closer look at the loudly proclaimed \u201cclimate impact\u201d of CO2<\/sub>. According to the current state of climate science<\/a> 4)<\/sup>, the CO2<\/sub> content of the atmosphere has always been below 300 ppm over at least the past 800,000 years. At times it has even been approaching the 170 ppm threshold below which some plants might be unable to survive<\/a> 5)<\/sup>.<\/p>\n\n\n\n

How \u201chealthy\u201d were the Alpine glaciers from about 120,000 years ago until today. Over this time, the CO2<\/sub> content fluctuated in a rather narrow range between 180 and 285 ppm, Figure 3<\/strong>.<\/p>\n\n\n

\n
\"\"
Figure 3<\/strong>: The evolution of the CO2<\/sub>\u00a0content in the atmosphere over the last 120,000 years as determined by official climate science. The steep rise to today\u2019s values only occurs abruptly at the very end of the graph. This extreme outlier is said to be causing a \u201cglacial extinction\u201d in the Alps (Graphic: author, with data from Our World in Data 6))<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n

The evolution of CO2<\/sub> levels shown in Figure 3<\/strong> corresponds to what the IPCC calls the \u201cstable pre-industrial state\u201d, to which the German Federal Constitutional Court also refers in its \u201cclimate judgment\u201d. In view of the fact that \u201cclimate science\u201d describes the CO2<\/sub> content of the atmosphere as the \u201cdecisive control knob for the climate\u201d, the Alps should have had a stable climatic development and a correspondingly stable glacier cover before the start of significant human CO2<\/sub> emissions.<\/p>\n\n\n\n

When glaciers become climate crown witnesses<\/strong><\/p>\n\n\n\n

Fortunately, there is a very comprehensive study on the development of Alpine glaciers 7)<\/sup>, in which their extent and mass were determined using complex simulation models. There is a corresponding short film on YouTube<\/a> lasting approx. 2 minutes 8)<\/sup>, which graphically summarizes the development of the last 120,000 years. Despite all reservations about such complex simulations, it should be noted that comprehensive geological and paleogeological studies of the entire Alpine region were used as \u201cguard rails\u201d for the stability of the models used. This also applies to the degree of correspondence between the end of the simulation run and the currently known state of the Alpine glaciers. Below are some still images from this video.<\/p>\n\n\n

\n
\"\"
Figure 4<\/strong>: The current glaciation of the Alps. At this scale, significant glacier cover can only be seen around Mont Blanc and the Bernese Alps. At the bottom of the image, the temperature differences to today\u2019s level (left scale axis) and the ice volume in cm sea level equivalent on the right scale can be seen in black (screenshot from https:\/\/www.youtube.com\/watch?v=TXzExbdHuDM<\/a>)<\/em><\/figcaption><\/figure>\n<\/div>\n\n
\n
\"\"
Figure 5<\/strong>: The ice cover of the Alps around 120,000 years ago, in the middle of the warm Eemian interglacial period (screenshot from https:\/\/www.youtube.com\/watch?v=TXzExbdHuDM<\/a>)<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n

The comparison of Figures 4 and 5<\/strong> shows that the ice cover of the Alps around 120,000 years ago was considerably less than it is today. This fact puts into perspective the terms \u201cperpetual ice\u201d and \u201cdying glaciers\u201d so often used today by the propagators of CO2<\/sub> climate alarmism. At that time, the Eemian interglacial period 9)<\/sup> prevailed worldwide, one of the periodic warm interruptions of the ice ages that had prevailed for around 2.7 million years. It began around 126,000 years ago and lasted around 11,000 years. The temperature in Europe at that time was several degrees above the pre-industrial average temperature (until around 1850). During the entire Eemian period, the CO2<\/sub> content of the atmosphere only fluctuated within a narrow range between 275 and 286 ppm. There is therefore no evidence of CO2<\/sub> as the supposedly most important control knob for the climate in connection with the Eemian warm period and the subsequent glacial period.<\/p>\n\n\n\n

The back and forth of the ice<\/strong><\/p>\n\n\n\n

The last glacial period was anything but uniform, quite the opposite. Both the temperatures and the ice volume fluctuated within wide limits, while the ice masses repeatedly buried and released enormous swathes of terrain, even outside the actual mountainous range. The following pictures give an impression of the occasionally extreme advances and retreats of the Alpine glaciers. The changing shoreline of the Adriatic Sea underscores that the sea level also fluctuated considerably during this time period.<\/p>\n\n\n\n

\"\"
Figure 6<\/strong>: Ice cover of the Alps at the beginning of the last glacial period 108760 years ago. Temperatures had already fallen by a full 10 \u00b0C compared to today and the Alpine region would have become uninhabitable (screenshot from https:\/\/www.youtube.com\/watch?v=TXzExbdHuDM<\/a>)<\/em><\/figcaption><\/figure>\n\n\n
\n
\"\"
Figure 7<\/strong>: The glacial period was characterized by extreme swings in both directions. As the upper partial image shows, the ice cover had decreased considerably around 25,000 years after the beginning (Figure 6), and the temperature had risen by 6 \u00b0C compared to the previous stage. 17,000 years later, the Alpine region was suffocating under a gigantic ice sheet, and the temperature was 13 \u00b0C below today\u2019s level. The northern Adriatic had almost disappeared from the map due to falling sea levels. (Screenshots from https:\/\/www.youtube.com\/watch?v=TXzExbdHuDM<\/a>)<\/em><\/figcaption><\/figure>\n<\/div>\n\n
\n
\"\"
Figure 8<\/strong>: After further extreme fluctuations, the ice masses advanced far in all directions at the peak of the glacial period about 24,500 years ago. In the north they advanced as far as Munich, and Zurich, Bern and Geneva disappeared under massive ice fields. Temperatures were 12 \u00b0C below today\u2019s level, and the Adriatic Sea can only be glimpsed at the bottom right of the image. (Screenshot from https:\/\/www.youtube.com\/watch?v=TXzExbdHuDM<\/a>)<\/em><\/figcaption><\/figure>\n<\/div>\n\n
\n
\"\"
Figure 9<\/strong>: The end of the glacial period was anything but even too. After the glaciers had already melted quite extensively around the year 14,240 with comparatively mild temperatures (upper image), the glaciers expanded considerably again around 12,500 years ago and temperatures fell again by 7 \u00b0C below today\u2019s level (screenshot from https:\/\/www.youtube.com\/watch?v=TXzExbdHuDM<\/a>).<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n
\"\"
Figure 10<\/strong>: The joint representation of atmospheric CO2<\/sub>\u00a0content and temperature development over the course of the last glaciation period shows that the correlation between the two variables appears to be rather weak. In particular, the explosive rise in the red curve at the very end raises doubts. The course of the CO2<\/sub>\u00a0concentration with temperature can easily be attributed to outgassing or absorption due to higher or lower solubility in the sea in line with Henry\u2019s law. An industrial influence can be ruled out except for the last 150 years or so. (Graphic: author + screenshot from\u00a0https:\/\/www.youtube.com\/watch?v=TXzExbdHuDM<\/a>)<\/em><\/figcaption><\/figure>\n\n\n\n
\"\"
Figure 11<\/strong>: A closer look at the period of the last approx. 10,250 years \u2013 i.e. long after the end of the last glacial period and into the beginning of the industrial age (graphic: author + screenshot from https:\/\/www.youtube.com\/watch?v=TXzExbdHuDM<\/a>)<\/em><\/figcaption><\/figure>\n\n\n\n

As shown in Figure 11<\/strong>, the average temperatures fluctuated considerably between the end of the last glacial period and the start of the industrial age. The range was between -4 and +3 \u00b0C compared to today\u2019s average. In contrast, during this period, CO2<\/sub> levels varied only within an extremely narrow range between 258 and 285 ppm. This does not really fit in with the purported correlation between CO2<\/sub> and temperature, which has been declared an infallible truth by the highest German court. For comparison, here is another passage from the Federal Constitutional Court\u2019s climate ruling:<\/p>\n\n\n\n

\u201cUp to what level and at what speed the temperature will continue to rise depends<\/strong> on the proportion of greenhouse gases in the atmosphere and thus largely on the amount of anthropogenically emitted greenhouse gases, especially CO2<\/sub> emissions<\/strong> (IPCC, op. cit., pp. 17 f., 26). This is because there is an almost linear relationship between the total amount of greenhouse gases emitted and the rise in mean surface temperature<\/strong> (SRU, Demokratisch regieren in \u00f6kologischen Grenzen \u2013 Zur Legitimation von Umweltpolitik, Sondergutachten<\/em>, 2019, p. 36)\u201d (bold highlights added by the author).<\/p>\n\n\n\n

History of Alpine glaciers does not support the CO2<\/sub> greenhouse gas hypothesis<\/strong><\/p>\n\n\n\n

Climate science claims that there is a linear relationship between the CO2<\/sub> content of the atmosphere, influenced by anthropogenic emissions of greenhouse gases, and temperatures on the Earth\u2019s surface. The detailed investigation of the course of the last glacial period with regard to temperatures and ice cover in the Alps using complex simulations provides no evidence for this. Comparatively minor changes in CO2<\/sub> levels in the atmosphere are probably due to temperature-related changes in the solubility of the gas in the oceans (Henry\u2019s law).<\/p>\n\n\n\n

The same applies to the period of the current warm period over the last 10,500 years or so. With comparatively stable CO2<\/sub> levels, temperatures fluctuated within a range of -4 to +3 \u00b0C. The Alpine glaciers are therefore more like key evidence that the CO2<\/sub> greenhouse gas hypothesis is treading on rather thin ice. Whatever it is that determines our climate, it is highly unlikely to be CO2<\/sub>!<\/p>\n\n\n\n

Sources<\/strong>:
1) https:\/\/www.worldscientific.com\/fmatter<\/a>
2) https:\/\/www.bundesverfassungsgericht.de\/.html<\/a>
3) https:\/\/www.bundesregierung.de\/breg-de\/1913672<\/a>
4) https:\/\/ourworldindata.org\/table<\/a>
5) Plant responses to low [CO2] of the past \u2013 Gerhart \u2013 2010 \u2013 New Phytologist \u2013 Wiley Online Library
6) https:\/\/ourworldindata.org\/grapher\/co2-long-term-concentration?tab=table<\/a>
7) https:\/\/www.researchgate.net\/publication\/Alps<\/a>
8) https:\/\/www.youtube.com\/watch?v=TXzExbdHuDM<\/a>
9) https:\/\/en.wikipedia.org\/wiki\/Last_Interglacial<\/a><\/p>\n\n\n\n

<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

With comparatively stable CO2 levels over 10,500 years, temperatures still fluctuated within a range of -4 to +3 \u00b0C.
\nYet, German Constitutional High Court preposterously claims there is an \u201calmost linear relationship\u201d between CO2 and temperature.<\/p>\n","protected":false},"author":121246920,"featured_media":329860,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_crdt_document":"","advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[691818076,691828768,691819222,691828769,691828770],"class_list":{"0":"post-329837","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-uncategorized","8":"tag-co2","9":"tag-german-constitutional-high-court","10":"tag-temperature","11":"tag-the-alpine-glaciers","12":"tag-the-united-nations","14":"fallback-thumbnail"},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/05\/0john_muir_glacier.jpg?fit=2859%2C1608&ssl=1","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paxLW1-1nNX","jetpack-related-posts":[{"id":340761,"url":"https:\/\/climatescience.press\/?p=340761","url_meta":{"origin":329837,"position":0},"title":"Extension of the linear carbon sink model \u2013 temperature matters","author":"uwe.roland.gross","date":"26\/08\/2024","format":false,"excerpt":"The temperature-enhanced model also reproduces nicely the CO2 concentrations of the Vostok ice core data series. As a side effect, this confirms that in paleo-climate data series, temperature leads CO2 concentration.","rel":"","context":"In \"anthropogenic emissions\"","block_context":{"text":"anthropogenic emissions","link":"https:\/\/climatescience.press\/?tag=anthropogenic-emissions"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/08\/00OSC_Microbio_08_07_CCycle.jpg?fit=1200%2C844&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/08\/00OSC_Microbio_08_07_CCycle.jpg?fit=1200%2C844&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/08\/00OSC_Microbio_08_07_CCycle.jpg?fit=1200%2C844&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/08\/00OSC_Microbio_08_07_CCycle.jpg?fit=1200%2C844&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/08\/00OSC_Microbio_08_07_CCycle.jpg?fit=1200%2C844&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":399000,"url":"https:\/\/climatescience.press\/?p=399000","url_meta":{"origin":329837,"position":1},"title":"More Evidence Temperatures Drive CO2 Levels, Not the\u00a0Reverse","author":"uwe.roland.gross","date":"31\/08\/2025","format":false,"excerpt":"CO2 concentration increases are not the cause of rising temperature, but an effect of rising temperature.","rel":"","context":"In \"carbon dioxide (CO\u2082)\"","block_context":{"text":"carbon dioxide (CO\u2082)","link":"https:\/\/climatescience.press\/?tag=carbon-dioxide-co%e2%82%82"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/08\/AQMcBbvsz0SvdwTDyTCAwH2qmYxSqh01bC1Nbc8Dusv9Hz5913cvZHZSoMb-ehyDEhj8ylRuLsB-tC2Gz4RG6XzvUVgeTJQe-MnRSHtB3ZKj5rWbeO-eI4d_3l_8eYKud22zvTaBDjmgOwc0mwd2p_fVKdaGtA.jpeg?fit=1200%2C1200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/08\/AQMcBbvsz0SvdwTDyTCAwH2qmYxSqh01bC1Nbc8Dusv9Hz5913cvZHZSoMb-ehyDEhj8ylRuLsB-tC2Gz4RG6XzvUVgeTJQe-MnRSHtB3ZKj5rWbeO-eI4d_3l_8eYKud22zvTaBDjmgOwc0mwd2p_fVKdaGtA.jpeg?fit=1200%2C1200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/08\/AQMcBbvsz0SvdwTDyTCAwH2qmYxSqh01bC1Nbc8Dusv9Hz5913cvZHZSoMb-ehyDEhj8ylRuLsB-tC2Gz4RG6XzvUVgeTJQe-MnRSHtB3ZKj5rWbeO-eI4d_3l_8eYKud22zvTaBDjmgOwc0mwd2p_fVKdaGtA.jpeg?fit=1200%2C1200&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/08\/AQMcBbvsz0SvdwTDyTCAwH2qmYxSqh01bC1Nbc8Dusv9Hz5913cvZHZSoMb-ehyDEhj8ylRuLsB-tC2Gz4RG6XzvUVgeTJQe-MnRSHtB3ZKj5rWbeO-eI4d_3l_8eYKud22zvTaBDjmgOwc0mwd2p_fVKdaGtA.jpeg?fit=1200%2C1200&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2025\/08\/AQMcBbvsz0SvdwTDyTCAwH2qmYxSqh01bC1Nbc8Dusv9Hz5913cvZHZSoMb-ehyDEhj8ylRuLsB-tC2Gz4RG6XzvUVgeTJQe-MnRSHtB3ZKj5rWbeO-eI4d_3l_8eYKud22zvTaBDjmgOwc0mwd2p_fVKdaGtA.jpeg?fit=1200%2C1200&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":195245,"url":"https:\/\/climatescience.press\/?p=195245","url_meta":{"origin":329837,"position":2},"title":"Explaining Mauna Loa CO2 Increases with Anthropogenic and Natural Influences","author":"uwe.roland.gross","date":"09\/04\/2022","format":false,"excerpt":"SUMMARY The proper way of looking for causal relationships between time series data (e.g. between atmospheric CO2 and temperature) is discussed. While statistical analysis alone is unlikely to provide \u201cproof\u201d of causation, use of the \u2018master equation\u2019 is shown to avoid common pitfalls. Correlation analysis of natural and anthropogenic forcings\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2022\/04\/0Mauna-Loa-dCO2dt-vs-anthro-and-natural-terms.jpg?fit=720%2C960&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2022\/04\/0Mauna-Loa-dCO2dt-vs-anthro-and-natural-terms.jpg?fit=720%2C960&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2022\/04\/0Mauna-Loa-dCO2dt-vs-anthro-and-natural-terms.jpg?fit=720%2C960&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2022\/04\/0Mauna-Loa-dCO2dt-vs-anthro-and-natural-terms.jpg?fit=720%2C960&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":303995,"url":"https:\/\/climatescience.press\/?p=303995","url_meta":{"origin":329837,"position":3},"title":"A Curious Paleo Puzzle","author":"uwe.roland.gross","date":"24\/02\/2024","format":false,"excerpt":"Hmmm, sez I \u2026 looks like an interesting study. Paleo CO2\u00a0levels back to about 65 million years ago, which peaked at about 2000 ppmv.","rel":"","context":"In \"Atmospheric CO2\"","block_context":{"text":"Atmospheric CO2","link":"https:\/\/climatescience.press\/?tag=atmospheric-co2"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/02\/0-CO2-1.jpeg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/02\/0-CO2-1.jpeg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/02\/0-CO2-1.jpeg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/02\/0-CO2-1.jpeg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/climatescience.press\/wp-content\/uploads\/2024\/02\/0-CO2-1.jpeg?fit=1200%2C900&ssl=1&resize=1050%2C600 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