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Old 04-15-2015, 11:40 PM   #34 (permalink)
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Not that this is the appropriate forum to discuss this, but here goes...

Originally Posted by IamIan View Post
One correction .. Chemistry.

The term is 'greenhouse gas' ... and yes .. chemically CO2 is a greenhouse gas.
Just love how easy it is to attract the nitpickers. LOL

Now answer the questions, please:
By what mechanism does a greenhouse work?
Why is the planet different from a greenhouse?
Be as detailed as you can be, because I'll be tearing apart your answer at a later time.

Originally Posted by IamIan View Post
A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range ... we know and have proven that CO2 meets this definition.
CO2 absorbs in the infrared, but it also emits in the infrared (on the night side of the planet) at an equal rate. The radiative forcing from CO2 is negligible, especially when compared to water vapor, which absorbs in a much larger spectrum and is much more prevalent in the atmosphere (and it falls to the ground in the form of rain, carrying that heat to the surface and keeping it there longer rather than reradiating to The Infinite Heatsink we call space). This has been known (and written about) for the past 150 years (ref: Tyndall).

And now for Yet Another Inconvenient Truth (I've got hundreds of them to embarrass the AGW sheeple):
The effectiveness of CO2 as a greenhouse gas becomes ever more marginal with greater concentration | Watts Up With That?
According to well understood physical parameters, the effectiveness of CO2 as a greenhouse gas diminishes logarithmically with increasing concentration and from the current level of ~390 ppmv, (parts per million by volume). Accordingly only ~5% of the effectiveness of CO2 as a greenhouse gas remains beyond the current level.

Remarkably, IPCC Published reports , (TAR3), do actually acknowledge that the effective temperature increase caused by growing concentrations of CO2 in the atmosphere radically diminishes with increasing concentrations. This information is in their report. It is well disguised for any lay reader, (Chapter 6. Radiative Forcing of Climate Change: section 6.3.4 Total Well-Mixed Greenhouse Gas Forcing Estimate).

Now... you were saying?

If you believe the AGW schtick, you're being lied to and manipulated for the monetary gain of others. Do your own research, you'll find that solar and orbital forcing are (and remain) the major contributing factors to global temperature change... and we're heading into a solar and orbital forcing period which will cool the planet. It's predicted it'll be a similar amount of cooling as during the Little Ice Age... except it'll last approximately 10,000 years.

The ClimateGate 2.0 hacked emails show the climate researchers know this... they were discussing "coordinating their message" because telling people to prepare for AGW and an ice age seemed incongruent to the message they'd been putting out for years now.

It's ridiculous to claim that a tiny percentage of CO2 (currently 0.04% of atmospheric gas composition) has any effect in comparison to that giant fusion furnace in the sky that we call our sun.

Last edited by Cycle; 04-15-2015 at 11:48 PM..
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