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By Kenneth Richard on 7. December 2023
“…the rate of change in CO2 concentration is controlled, not by emissions, but by the global temperature” – Emrén, 2023 A new study published in the International Journal of Global Warming once again questions the popular narrative that says humans can control the temperatures of the ocean and melt the polar ice sheets by engaging […]
Posted in CO2 and GHG |
By Kenneth Richard on 4. December 2023
“…by about 10 kyr ago, regional MST values consistently approached or exceeded today’s value of about 23°C” – Baxter et al., 2023 According to a new temperature reconstruction published in Nature, the Horn of Africa and “global tropics as a whole” were “1.6°C warmer than today” throughout the Early and Middle Holocene. This is “consistent […]
Posted in Paleo-climatology |
By Kenneth Richard on 30. November 2023
…when using the same assumption-based methodology to arrive at the conclusion only 0.5% of scientific papers reject AGW. In a new study, six scientists (Dentelski et al., 2023) effectively eviscerate a methodologically flawed 2021 study (Lynas et al.) that claims 99.53% of 3,000 scientific papers examined (by subjectively classifying papers based only on what is […]
Posted in Alarmism, Scepticism |
By Kenneth Richard on 27. November 2023
Variations in the greenhouse effect are predominantly modulated by water vapor and cloud cover. CO2’s role in the greenhouse effect is so minor it cannot be discerned. For decades scientists have reported that a CO2 concentration of about 300 ppm can only increase the downwelling longwave radiation (DLWR), or greenhouse effect, by about 1.5 W/m² […]
Posted in Climate Sensitivity, CO2 and GHG |
By Kenneth Richard on 23. November 2023
Analysis of CO2 residence times suggest 65% to 96.5% of the CO2 concentration increase since 1958 is natural. According to a new study, the claim that increases in atmospheric CO2 are driven exclusively by humans relies on a made-up, disparate accounting model, with the residence time for natural emissions 3 to 4 years (which is […]
Posted in CO2 and GHG, Natural Variability |
By Kenneth Richard on 20. November 2023
Millennial-scale Arctic sea ice reconstructions do not corroborate alarmist claims of unprecedented sea ice losses in modern times. Using sea ice biomarker proxy (IP25), scientists (Kolling et al., 2023) have determined that the sea ice extent in the Labrador Sea was nearly absent throughout the year (close to 0.0 μg/gTOC) for much of the last […]
Posted in Arctic, Paleo-climatology, Sea Ice |
By Kenneth Richard on 16. November 2023
The timing of the dramatic Antarctic sea ice decline during the last deglaciation suggests solar forcing and sea ice retreat “instigated” century-scale climate warming and atmospheric CO2 change. This would appear to challenge the perception CO2 plays a causal role in glacial-interglacial sea ice and climate changes. From ~21,000 to 19,500 years ago, when CO2 […]
Posted in Antarctic, Paleo-climatology, Sea Ice |
By Kenneth Richard on 13. November 2023
Yet another region of the world fails to cooperate with “global” warming instructions. New research (Zhang et al., 2023) finds the sea ice extent has undergone an overall increasing trend from 2005-2021 in the Sea of Japan, Yellow Sea, and Bohai Sea. “Over the past 17 years, the maximum sea ice extent in the marginal […]
Posted in Cooling/Temperature, Paleo-climatology, Sea Ice
By Kenneth Richard on 9. November 2023
IPCC models rooted in assumptions that we humans can and do control the Atlantic Ocean’s circulation with our daily-activity CO2 emissions have been wrong since the mid-1980s. Why should we still believe in them? The latest IPCC report continues to say it is “very likely” the Atlantic Meridional Ocean Circulation (AMOC), a fundamental climate parameter, […]
Posted in Models, Natural Oceanic Oscillations, Oceans |
By Kenneth Richard on 6. November 2023
Significant 21st century cooling in the Central Pacific, Eastern Pacific, and nearly all of Antarctica “implies substantial uncertainties in future temperature projections of CMIP6 models.” – Zhang et al., 2023 New research indicates West Antarctica’s mean annual surface temperatures cooled by more than -1.8°C (-0.93°C per decade) from 1999-2018. In spring, the West Antarctic Ice […]
Posted in Antarctic, Cooling/Temperature |
By Kenneth Richard on 2. November 2023
“We would expect from a 100% switchover from fossil fuels to zero-emission renewables…net radiative heating would increase drastically.” – Nair et al., 2023 Using observational data gleaned from COVID-19 lockdowns in South Asia, scientists publishing in a Nature journal (Nair et al., 2023) have now determined the ongoing switch to zero greenhouse gas (GHG) emissions […]
Posted in CO2 and GHG, Pandemic, Pollution |
By Kenneth Richard on 30. October 2023
“Despite two decades of advances in many aspects of aerosol-climate science, aerosol climate forcing uncertainty is virtually undiminished. Yet, reducing this uncertainty is critical for any effort to attribute, mitigate, or predict climate changes.” – Kahn et al., 2023 According to a new study, the lower-bound uncertainty in natural aerosol forcing from wildfire smoke, desert […]
Posted in Models, Uncertainty Error
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