According to a new study, coral proxy sea surface temperature (SST) evidence suggests the northern South China Sea (nSCS) naturally warmed and cooled at rates of 1 to 1.5°C per decade from about ~5300-5100 years ago.

Image Source: Wu et al., 2026
In contrast, the nSCS temperature record has been flat to slightly declining in recent decades (Ma et al., 2021).

Image Source: Ma et al., 2021
A 2021 coral proxy study indicates from ~6000 to 2000 years ago nSCS annual SSTs were 3-4°C warmer than they were from 1994 to 2004, with the modern SSTs the coldest of the last ~6000 years.





ABSTRACT:
Earth is cooler with atmosphere/water vapor/30% albedo not warmer.
Ubiquitous RGHE heat balance graphics don’t plus violate GAAP and LoT.
Kinetic heat transfer processes of contiguous atmospheric molecules render a surface BB impossible.
RGHE is bogus & CAGW is a scam!
FACTS & EVIDENCE:
FACT 1: Remove the Earth’s atmosphere or even just the GHGs and the Earth becomes much like the Moon, no water vapor or clouds, no ice or snow, no oceans, no vegetation, no 30% albedo becoming a barren rock ball, hot^3 (400 K) on the lit side, cold^3 (100 K) on the dark. At Earth’s distance from the Sun space is hot (394 K) not cold (5 K).
That’s NOT what the RGHE theory says.
EVIDENCE:
RGHE theory says “288 K (15 C) w – 255 K (-18 C) w/o = a 33 C colder ice ball Earth.” 255 K assumes w/o case keeps 30% albedo, an assumption akin to criminal fraud. Nobody agrees 288 K is GMST plus it was 15 C in 1896. 288 K is a physical surface measurement. 255 K is a S-B equilibrium calculation at ToA. Apples and potatoes.
Nikolov “Airless Celestial Bodies”
Kramm “Moon as test bed for Earth”
UCLA Diviner lunar mission data
JWST solar shield (391.7 K)
Sky Lab golden awning
ISS HVAC design for lit side of 250 F. (ISS web site)
Astronaut backpack life support w/ AC and cool water tubing underwear. (Space Discovery Center)
FACT 2: The GHGs require “extra” energy upwelling from a surface radiating as a BB.
EVIDENCE:
According to TFK_bams09 atmospheric power flux balance, numerous clones and SURFRAD the GHGs must absorb an “extra” 396 BB/333 “back”/63 2nd net W/m^2 LWIR energy upwelling from the surface allegedly radiating as a BB. These graphics & data tables contain egregious arithmetic and thermodynamic errors.
FACT 3: Because of the significant (60% per TFK_bams09) non-radiative, i.e. kinetic, heat transfer processes of the contiguous participating atmospheric molecules the surface cannot upwell “extra” energy as a near Black Body.
EVIDENCE:
As demonstrated by experiment, the gold standard of classical science.
For the experimental write up see:
https://principia-scientific.org/debunking-the-greenhouse-gas-theory-with-a-boiling-water-pot/
Search: Bruges group “boiling water pot” Schroeder
CONCLUSION:
No RGHE, no GHG warming, no CAGW or mankind/CO2 driven climate change.
Nick Schroeder, BSME CU ‘78
Colorado Springs
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I have been monitoring the SST in the equatorial Pacific used to determine NINO and found the temperature trend there to be flat since before 1981. Fig 9.2 at http://globalclimatedrivers2.blogspot.com