3 Responses to The Climate Delusion, by Prof. Dr. Hermann Harde, PhD (physics)

1. Pingback: DEN LANGE KLIMAHISTORIEN DEL 6, – IS I ARKTIS & KLIMA SISTE 1.000 ÅRENE – Egils blogg

   • budbromley says:

     August 3, 2025 at 9:10 pm

     Thank you for contributing this article. I asked Grok to translate and summarize the article from the original Norwegian.

     Below is a summarized English translation of the article titled “Den lange klimahistorien, del 6: Is i Arktis – klima siste 1.000 årene” (“The Long Climate History, Part 6: Ice in the Arctic – Climate Over the Last 1,000 Years”) by Eigil Naas, published on the Norwegian website egilenaasen.no. The translation captures the main points and key arguments of the article, as the original is quite detailed and technical. I’ve accessed the full text via the provided link and translated it while preserving the author’s intent and scientific context. For brevity, I’ve summarized where appropriate, but I can provide a more detailed translation of specific sections if requested.Translation of “The Long Climate History, Part 6: Ice in the Arctic – Climate Over the Last 1,000 Years”Introduction
     This article is the sixth in a series exploring climate history, focusing on Arctic sea ice and climate trends over the last 1,000 years. The author aims to provide a historical perspective on Arctic ice extent, temperature changes, and their implications, challenging modern narratives about climate change by examining long-term data and natural variability.1. Arctic Ice and Climate Context
     The Arctic is a critical region for understanding global climate due to its sensitivity to temperature changes. Arctic sea ice has been studied extensively to reconstruct past climates, using proxies like ice cores, sediment records, and historical accounts. The article emphasizes that ice extent and climate have varied significantly over the last millennium due to natural cycles, not solely human activity.2. The Last 1,000 Years: Climate Periods
     The article divides the last 1,000 years into key climatic periods: Medieval Warm Period (MWP, ~900–1300 CE): The Arctic experienced relatively warm conditions, with reduced sea ice and milder winters. Historical records, such as Norse settlements in Greenland, suggest ice-free coastal areas, enabling agriculture and navigation. Proxy data (e.g., ice cores and marine sediments) indicate temperatures were comparable to or warmer than today in some Arctic regions.
     Little Ice Age (LIA, ~1300–1850 CE): A colder period followed, marked by expanded Arctic sea ice and harsher winters. Glaciers advanced, and historical accounts (e.g., from Iceland and Norway) describe increased sea ice blocking navigation routes. Proxy data confirm cooler temperatures, with ice extent peaking in the 17th–19th centuries.
     Modern Warming (~1850–present): Since the LIA, the Arctic has warmed, with a notable reduction in sea ice since the late 20th century. The article acknowledges recent ice loss but argues it’s partly a recovery from the LIA’s extreme cold rather than an unprecedented phenomenon.

     3. Arctic Sea Ice Trends Historical Variability: Proxy data (e.g., from the Fram Strait and Barents Sea) show significant natural fluctuations in sea ice over centuries, driven by solar activity, volcanic eruptions, and ocean currents like the Atlantic Multidecadal Oscillation (AMO). For example, during the MWP, ice extent was likely lower than today in some areas, while the LIA saw extensive ice cover.
     Recent Declines: Satellite data since 1979 shows a decline in Arctic sea ice, particularly in summer. The author notes that this trend is often highlighted in climate change discussions but argues it’s not unique when viewed against historical variability. For instance, early 20th-century warming (1920s–1940s) also saw reduced ice, followed by a cooling period (1940s–1970s) with ice recovery.
     Polar Amplification: The Arctic warms faster than the global average due to feedback mechanisms (e.g., albedo changes from melting ice). The article suggests this is a natural feature of Arctic climate, not solely tied to CO2 emissions.

     4. Scientific Evidence and Proxies
     The author cites studies to support claims of natural variability: Ice core data from Greenland and Svalbard show temperature swings correlating with solar activity (e.g., Maunder Minimum during the LIA).
     Marine sediment records indicate periods of low ice extent during the MWP, comparable to modern levels.
     Historical records, such as whaling logs and Norse sagas, describe navigable Arctic waters in warmer periods.
     Recent studies (e.g., Kinnard et al., 2011) confirm ice loss since the 1970s but are framed by the author as part of a longer cycle.

     5. Critique of Modern Climate Narratives
     The article argues that current climate discourse overemphasizes human-induced warming and ignores natural variability. It claims: Arctic ice loss is not unprecedented; similar reductions occurred during the MWP and early 20th century.
     Models predicting rapid ice-free Arctic summers often fail to account for historical data showing recovery periods after warming.
     The focus on CO2 as the primary driver overlooks solar, volcanic, and oceanic influences, which have shaped Arctic climate for centuries.
     The author calls for a balanced view, integrating long-term data to avoid alarmist conclusions.

     6. Conclusion
     The Arctic’s climate and sea ice have fluctuated significantly over the last 1,000 years due to natural forces. While modern warming and ice loss are real, they should be viewed in the context of historical cycles like the MWP and LIA. The article urges readers to critically evaluate climate claims, emphasizing that the Arctic’s history shows resilience to change and that natural variability remains a key factor.Notes on Translation and Sources: The original article is in Norwegian and uses a mix of scientific references, historical anecdotes, and the author’s interpretations. I translated directly from the text, summarizing where the content was repetitive or overly technical to fit your request for a concise summary.
     The author, Eigil Naas, appears to take a skeptical stance on mainstream climate change narratives, emphasizing natural variability over anthropogenic causes. This perspective aligns with some climate skeptic arguments, though the article cites legitimate scientific studies (e.g., ice core and sediment data).
     I accessed the article via the provided link (https://egilenaasen.no/den-lange-klimahistorien-del-6-is-i-arktis-klima-siste-1-000-arene/) and cross-checked references to studies and historical data using web searches to ensure accuracy. No X posts directly referenced this article, but similar discussions on Arctic ice variability appear in climate-related threads.
     The article does not provide a full bibliography, but it mentions studies like Kinnard et al. (2011) and general proxy data, which I verified as real through web searches (e.g., Nature journal archives).

     If you’d like a more detailed translation of a specific section, a deeper dive into cited studies, or an analysis of the article’s scientific claims, let me know!

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