Melanin

Acts 17:26 (Bible, New Testament): "From one man he (God) made all the nations, that they should inhabit the whole earth; and he marked out their appointed times in history and the boundaries of their lands." 

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I'm so glad that the term 'climate change' has risen to the surface, for I believe climate change, not evolution, is the reason for human skin colors. This theory is my deciphering. If others believe something similar, I haven’t heard of it, but that wouldn't be the first time. 

Growing up in the white, rural Midwest, I didn't meet met a black person until I was 17. 
But 1960s TV had a lot of bad news about blacks, and evolution inferred that each race came from a different colored monkey. 

 After I got Jesus-saved, I began to look at blacks differently. I had always assumed that whites were humans, created directly by God, but wasn’t sure if blacks had a different origin, as evolution suggested. 
I began to investigate the origins of the races via the Old Testament, in the late 1980s and through the 1990s. 

Above is a graph about early human life, based on the geneology presented in the Book of Genesis, Old Testament.
While there is debate about the actual timeline of Biblical Patriarchs, I chose this chart because of its clear graphics. 
The best part of this perspective is that it makes all colors related to the others, so we need to try to get along better. 
This starts with Noah's Great Flood. God timed the Flood to begin shortly after Noah's father and grandfather died. 

There were at least five generations of Noah and descendants that lived at least 400 years post-Flood. 
After the flood, Noah's family was repopulating, and decided to build the Tower of Babel. 
God disapproved, confounded their language and they scattered. 

Then came the separation of the continents 'during the time of Peleg'. (Genesis, Chapter 10), after Peleg was born, but before he had any children. This was an ancient method of timekeeping. So the initial separation of the continents happened within a 30-year segment of history. Cataclysmic, no doubt. According to this chart, 
Peleg lived from 2279 to 2040 B.C. Notice how after Peleg, lifespans were cut in half, yet again. 
Perhaps because of the environmental trauma of the continents separating. 

Genesis 2 :4 
This is the account of the heavens and the earth when they were created, when the Lord God made the earth and the heavens. 
5 Now no shrub had yet appeared on the earth and no plant had yet sprung up, for the Lord God had not sent rain on the earth and there was no one to work the ground, 
6 but streams came up from the earth and watered the whole surface of the ground." 

Before the Flood, I believe everyone was white-skinned, because the earth was covered with clouds and UV rays did not reach the earth the way they do now. This means there were clouds, but they never emptied themselves. 
UV rays did not reach the earth's surface like they do today.
Therefore, melanin was not needed, but was in reserve in our genetic code;
not a slowly-evolved product of necessity, but by the foresight of God. 

It may be that the first people - Adam and Eve, through Noah - were nearly albinos.

The crux of this theory; in those post-flood generations, which I call the “deceleration era” 
(because human lifespans were winding down), humans adapted to increased UV rays,
according to their location on the planet, considering 'The Pelegian Drift'.

This seemed to be a two-step process: 
1) the initial UV adjustment after the flood. 
2) the separation of the continents during Peleg's youth, when ocean gyres came to be, hence cloudless deserts were
    formed.   Continents shifted dramatically and each part of the earth had substantially different climates.

 Melanin levels of each people group adjusted to their post-Babel locations, in relation to the equator after the continental separation. Who would intentionally move to somewhere where their tongues would freeze to playground equipment? 
Suggested migration patterns make little sense to me. Peleg-era continental movement makes more sense. 
People didn't move from the equator toward the poles, the continents did. 

Their shortening lifespans locked melanin ratios into our DNA. We no longer live long enough to adjust our melanin levels to environmental relocation. Hence, our colors, no matter where we live. 

Eric J. Rose   

PS: How does abinism (zero melanin) play into this? 
All races are subject to albinism.
Might Adam and Eve been this white because their bodies needed no melanin?