Proper Use Of Principles

The principle is :

Heat can only flow from a warmer place to a cooler place

The heat source is the sun. The sun irradiates the the Earth’s surface. As a first order principle, all of this heat has to return to space.

One of the things controlling the temperature is the efficiency of the atmosphere at returning the heat to space. If the atmosphere completely blocked the passage of heat, the earth’s surface would keep heating from solar radiation and get extremely hot. If the atmosphere provided no resistance to the passage of heat, the temperature would be cold.

Greenhouse gases are one of the factors which influence the atmosphere’s efficiency at returning the sun’s heat to the upper atmosphere, and thus help regulate the temperature of the atmosphere.

The heat source is the sun. Greenhouse gases are part of the thermostat. An increase in greenhouse gases will tend to raise the temperature near the surface, because they reduce the efficiency of the atmosphere at moving heat upwards through the lower levels of the atmosphere.

Now look at the principle again :

Heat can only flow from a warmer place to a cooler place

That is true, and it in no way supports the absolutely ridiculous claim that greenhouse gases can’t increase the temperature of the Earth’s surface. The heat source is the sun, which is continuously providing heat to the Earth. Of course the temperature can go up.

Don’t conflate heat flow and temperature. They are different beasts.

As to the actual total effect of adding CO2, that is an interesting, separate, and much more complex discussion,  A discussion which can’t be had while some skeptics are spreading complete bullshit claiming that greenhouse gases don’t exist.

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If The Atmosphere Was A Perfect Insulator, The Earth Would Melt

If the atmosphere allowed solar energy in, but no energy out, – the Earth would keep getting hotter, and would eventually melt.

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Conflating Nonsense

It is absolutely true that net heat flow is is always from a warmer location to a cooler location.

It is also absolutely true that in order to maintain a constant flow of heat,  an increase in temperature at the colder location has to be accompanied by an increase in temperature at the warmer location.

People who conflate the two principals are an embarrassment to skeptics. Don’t do that.

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Shocking Imagery Of Greenhouse Gases Over Cozumel

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The 85 degree temperatures are unbearable. How I long for the bitter cold of Maryland.

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Men Are From Mars – Climate Scientists Are From Venus

Climate scientists blame the high temperatures on Venus on the greenhouse effect.

Given that Venus surface receives very little sunlight, and that nights there are months long with no drop in temperature, it is absurd to compare the Venusian climate to a greenhouse.

Venus has a similar lapse rate to Earth, despite a very different atmospheric composition. This shows that the lapse rate is due to the pressure gradient, not the atmospheric composition.

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Global Warming Is The New Global Cooling

Climate experts say that a wavy jet stream and harsh winters are caused by global warming.

There’s growing evidence that global warming is driving crazy winters

ScreenHunter_4774 Nov. 22 09.55There’s growing evidence that global warming is driving crazy winters – The Washington Post

Forty years ago, climate experts used the same picture to prove global cooling.

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Science News, Vol. 107

More recently, the IPCC said “mild winter temperatures will reduce heavy snowstorms”

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IPCC Third Assessment Report – Climate Change 2001 – Complete online versions | GRID-Arendal – Publications – Other

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IPCC – Intergovernmental Panel on Climate Change

Just in case you forgot for a minute that climate experts have absolutely no clue what they are talking about.

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Readers Determine That Cooling Systems In Automobiles Are Not Needed

Some readers have determined that insulators can not increase the temperature of an object. So I guess they can wrap their automobile engine in thick fiberglass insulation, and expect that nothing bad will happen.

Fascinating science.

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