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By Kenneth Richard on 11. April 2026
The drivers of warming and glacier retreat in Antarctic climates are not aligned with a linearly-rising trend of atmospheric CO2. Scientists (Park et al., 2026) have assessed that over the last four decades the patterns of air temperature, sea surface temperature, and glacier retreat near King George Island (just north of the northernmost tip of […]
Posted in Antarctic, Cooling/Temperature, Glaciers |
By Kenneth Richard on 4. April 2026
Greenland’s ice mass losses have dramatically decelerated since 2012. According to a new study (Nilsson and Gardner, 2026), from 1992-2023 the ice loss from Greenland ice sheet (GIS) and peripheral glaciers has added a total of only 1.1 cm (11 mm) to global sea levels. This is a sea level contribution rate equivalent of just […]
Posted in Arctic, Cryosphere, Glaciers, Sea Levels |
By Kenneth Richard on 30. March 2026
Because cold temperatures are so much more dangerous to human health than warmth, a modest 0.5°C warming could save over 10,000 lives per year in the US. A new study indicates that from 2000 to 2020 there were 6,129 annual deaths attributable to excess summer heat across 1,514 US counties (representing 91% of the United […]
Posted in Cooling/Temperature, Warming/CO2 Benefiting Earth |
By Kenneth Richard on 24. March 2026
Natural changes in cloud albedo, absorbed shortwave forcing (ASW), and solar activity (TSI, total solar irradiance) are “the dominant factors driving climate change.” Dai Ato, an independent researcher from Japan, has completed a comprehensive regression analysis (Ato, 2026) using key climate variables and published the results in the Science of Climate Change journal. Using widely […]
Posted in Climate Sensitivity, Cloud Climate Influence, CO2 and GHG, Water Vapor |
By Kenneth Richard on 18. March 2026
A new sea surface temperature (SST) reconstruction (Pan et al., 2026) uses mollusc fossil evidence to affirm southern Australia’s (Yorke Peninsula) SSTs were 4°C warmer than today (23°C versus 19°C) during both the mid-Holocene (MH, 8000 to 5000 years ago) and Last Interglacial (LIG, 125,000 to 116,000 years ago). Both the MH and LIG had […]
Posted in Oceans, Paleo-climatology, Sea Levels |
By Kenneth Richard on 13. March 2026
Solway Firth (UK) relative sea levels were 3.25 – 4 m higher than today from ~7000 to 5500 years ago before declining to present over the last few millennia (Hanan et al., 2026). The reconstruction coring sites were located up to ~3 km inland from the modern coast. New research also indicates Western Scotland’s relative […]
Posted in Paleo-climatology, Sea Levels |
By Kenneth Richard on 11. March 2026
“The trend of September Arctic sea ice extent for the most recent two decades 2005-2024 is -0.35 and -0.29 million km² per decade according to the NSIDC and OSISAF sea ice indices respectively…these trends are not statistically significant from zero at a 95% confidence level.” − England et al., 2025 Despite several peer-reviewed, “overly alarmist” […]
Posted in Arctic, Natural Variability, Sea Ice |
By Kenneth Richard on 5. March 2026
There is nothing unprecedented or even significant about modern warming magnitudes or rates. Antarctic ice cores are routinely used to represent not only global-scale CO2 records, but global temperature records over the last 800,000 years. Interestingly, if we compare modern Antarctica to paleo Antarctica we learn “no continent-scale warming of Antarctic temperature is evident in the […]
Posted in Antarctic, Natural Variability, Paleo-climatology, Sea Levels |
By Kenneth Richard on 3. March 2026
Climate changes fostered by “unforced natural climate variability” may be more than an order of magnitude larger than the climate changes commonly attributed to anthropogenic forcing. In a new study, scientists have attempted to identify the mechanisms explaining Greenland’s many historical (~80,000-11,700 years ago) climate changes that amounted to 10-15°C “in a decade or two.” […]
Posted in Natural Oceanic Oscillations, Natural Variability, Oceans, Paleo-climatology |
By Kenneth Richard on 23. February 2026
Warming across Germany in the last 3 decades can be explained by declining cloud and aerosol albedo and consequent rising solar radiation. Not CO2. Another new study affirms clouds and aerosols play a key role in explaining trends in solar surface radiation (SSR), which is “essential for the global energy cycle driving the climate system.” […]
Posted in Cloud Climate Influence, Solar Sciences |
By Kenneth Richard on 21. February 2026
Pollen-reconstructed New Brunswick (Canada) spring temperatures affirm the Medieval Warm Period or Medieval Climate Anomaly (MCA, 900-1400 CE) was 1°C warmer (3.2°C vs. 2.2°C) than both the Little Ice Age (LIA, 1400-1850 CE) and modern period (1850 to present). Other sites in this region also show no net warming since the 1800s and 1-3°C cooling […]
Posted in Little Ice Age, Medieval Warm Period, Paleo-climatology |
By Kenneth Richard on 16. February 2026
For the last 3000 years the Beaufort Sea region has had “permanent sea ice.” According to a new study, there was “no sea ice” in the Arctic’s Beaufort Sea from 11,700 to 8200 years ago. During this period, summer sea surface temperatures (SSTs) averaged ~7°C, varying up to 9.6°C. “The Early Holocene (11.7−8.2 ka) is […]
Posted in Arctic, Cryosphere, Paleo-climatology, Sea Ice
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