Climate Sensitivity

New Study Finds An Extremely Low CO2 Climate Sensitivity For The Arctic And Antarctic

New Study Finds An Extremely Low CO2 Climate Sensitivity For The Arctic And Antarctic

The phenomenon of increasing the concentration of greenhouse gases (water vapor, carbon dioxide, methane) is assumed to lead to sharply rising temperatures in polar regions, or “polar amplification.” As it turns out, it doesn’t. Per a new radiative forcing model (Notholt et al., 2024), increasing CO2 from pre-industrial to present levels (278 to 400 ppm) […]

Water Vapor Absorbs 84 Times More Radiation Than CO2 ... Clouds Drove 89% Of 1982-2018 Warming

Water Vapor Absorbs 84 Times More Radiation Than CO2 … Clouds Drove 89% Of 1982-2018 Warming

“CO2 is only present in the atmosphere in trace amounts (0.04%) and lacks sufficient enthalpy to have any measurable effect on the atmosphere’s temperature.” – Nelson and Nelson, 2024 New research (Nelson and Nelson, 2024) further documents the inconsequential role that CO2 plays in climate. Less than 4% of longwave infrared radiation is absorbed by […]

3 Physicists Use Experimental Evidence To Show CO2's Capacity To Absorb Radiation Has Saturated

3 Physicists Use Experimental Evidence To Show CO2’s Capacity To Absorb Radiation Has Saturated

Adding CO2 to the atmosphere can have no significant climatic effect when rising above the threshold of about 300 ppm. Due to saturation, higher and higher concentrations do not lead to any further absorption of radiation. If one were to paint a white surface black so as to allow it to absorb as much heat […]

The Effect Of CO2 Increases On Ocean Temperatures Is Too Small To Measurably Detect

The Effect Of CO2 Increases On Ocean Temperatures Is Too Small To Measurably Detect

The shallowest sea surface temperature measurement limit is 10,000 times deeper than the extent of CO2’s radiative influence. When sea surface temperatures (SSTs) are measured, the depth range of the measurement typically extends from 10 cm to 10 m, or 100 mm to 10,000 mm (Merchant et al., 2019). Image Source: Merchant et al., 2019 […]

2023 Scientific Papers Cast Doubt On ‘Consensus’ In Climate Science

In 2023, hundreds of scientific papers were published that cast doubt on the position that anthropogenic CO2 emissions function as the climate’s fundamental control knob…or that otherwise serve to question the efficacy of climate models or the related “consensus” positions commonly endorsed by policymakers and mainstream media sources. There are significant limitations and uncertainties inherent […]

New Study Concludes ‘CO2 Can Have No Measurable Effect On Ocean Temperatures’

“There can be no climate equilibrium state that can be perturbed by an increase in the atmospheric concentration of CO2…” – Clark, 2023 The anthropogenic global warming paradigm has a magnitude problem – especially when it comes to the assumption that we humans can warm the ocean with our CO2 emissions. New research suggests the […]

New Journal of Climate Study Reduces Doubled CO2 Climate Sensitivity By 40%, To 0.72°C

Doubling the 2005 CO2 concentration (380 ppm) to 760 ppm only produces a globally-averaged 2.26 W/m² perturbation at the top of the atmosphere (TOA). This doubled-CO2 forcing is close to 0 W/m² for large portions of the globe – including below 0 W/m² for Antarctica. The IPCC claims doubling CO2 produces a 3.7 W/m² TOA […]

Nearly 160 Scientific Papers Detail The Minuscule Effect CO2 Has On Earth’s Temperature

We have updated our “Extremely Low CO2 Climate Sensitivity” scientific paper list with new papers added from 2022 and 2023 and some newly discovered papers from the past. As of 2016 this list had only 50 papers on it (as indicated by the web address). In less than 8 years the list has grown to […]

New Research Says Doubling CO2 Leads To A 'Sometimes' Negative Greenhouse Effect

New Research Says Doubling CO2 Leads To A ‘Sometimes’ Negative Greenhouse Effect

“Negative TOA [top of atmosphere] forcing of CO2 increase also happens outside of Antarctica. The Arctic sometimes exhibits strong negative CO2 forcing. This phenomenon even occurs in the tropics and mid-latitudes…” – Chen et al., 2024 It has previously been reported that as CO2 increases from 380 ppm to 1000 ppm, the CO2 greenhouse effect […]

New Study Finds No Evidence Of A CO2-Driven Warming Signal In 60 Years Of IR Flux Data

New Study Finds No Evidence Of A CO2-Driven Warming Signal In 60 Years Of IR Flux Data

“The real atmosphere does not follow the GHG [greenhouse gas] GE [greenhouse effect] hypothesis of the IPCC.” – Miskolczi, 2023 CO2 increased from 310 ppm to 385 ppm (24%) during the 60 years from 1948 to 2008. Observations indicate this led to a negative radiative imbalance of -0.75 W/m². In other words, increasing CO2 delivered […]

More Research Affirms The Human Role In Global Warming Has Been Strongly Overestimated

More Research Affirms The Human Role In Global Warming Has Been Strongly Overestimated

AGW proponents use subjective forcing models and unmeasured estimates of past solar activity to claim humans drive warming. A scientist’s (Larminat, 2023) reassessment finds the Sun can drive climate, equilibrium climate sensitivity (ECS, 2xCO2 + feedbacks) is 1.14°C, and human forcing is overestimated. Because there have been no direct measurements of solar activity until the […]

New Study Finds The Post-1900 CO2 Rise Has Not Discernibly Altered The Greenhouse Effect

New Study Finds The Post-1900 CO2 Rise Has Not Discernibly Altered The Greenhouse Effect

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 […]

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