World may not be warming, say scientists

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Throckmorton

Lifer
Aug 23, 2007
16,830
3
0
Ok then, again from that image, MMGW has had less of an impact in the last thousand years than it did in the 20 thousand years before that. The rate of increase is declining.

The last thousand years isn't the period that man has been putting a huge amount of greenhouse gases into the atmosphere by burning fossil fuels... You have to compare the rate during the fossil fuel era to the rate before the fossil fuel era. Look at the graph I just posted.
 
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Throckmorton

Lifer
Aug 23, 2007
16,830
3
0
And you have been tricked with they no showing historical cooling and warming. The warming that is happening is nothing unusual.

Except it is unusual. The rate we've had for the last 200 years is much greater than the normal changes caused by the Milankovitch cycle. The point of this graph is to show the match with greenhouse gases. Do you really think the match is a coincidence?
 

AnonymouseUser

Diamond Member
May 14, 2003
9,943
107
106
The last thousand years isn't the period that man has been putting a huge amount of greenhouse gases into the atmosphere by burning fossil fuels... You have to compare the rate during the fossil fuel era to the rate before the fossil fuel era. Look at the graph I just posted.

I saw that image, and I saw your statement which ironically applies to you.

Why do some people believe the earth should suddenly stop changing, despite the fact that the rate of change has drastically been reduced over the last hundreds of thousands of years? Why then do those same people believe man is the cause of any minute change and declare a state of emergency?
 

sandorski

No Lifer
Oct 10, 1999
70,127
5,657
126
I saw that image, and I saw your statement which ironically applies to you.

Why do some people believe the earth should suddenly stop changing, despite the fact that the rate of change has drastically been reduced over the last hundreds of thousands of years? Why then do those same people believe man is the cause of any minute change and declare a state of emergency?

Fail
 

Throckmorton

Lifer
Aug 23, 2007
16,830
3
0
I saw that image, and I saw your statement which ironically applies to you.

Why do some people believe the earth should suddenly stop changing, despite the fact that the rate of change has drastically been reduced over the last hundreds of thousands of years? Why then do those same people believe man is the cause of any minute change and declare a state of emergency?


Try to reason through it. Yes, there is a normal cycle of climate change. Everybody knows that. But some of us also realize that burning fossil fuels releases greenhouse gases into the atmosphere, which by definition cause warming.

Here's an analogy. Your house is poorly insulated and your wife complains that it's too cold. You don't want to burn more gas to heat it, so you add insulation to your walls and attic. You set up the HVAC so that it burns exactly the same amount of energy. After the insulation is added, your house is warmer.

Does it make sense to say "Well temperature never stayed the same, so the current warming can't possibly be because of what I did"???
 

Jaskalas

Lifer
Jun 23, 2004
33,573
7,634
136
Except it is unusual. The rate we've had for the last 200 years is much greater than the normal changes caused by the Milankovitch cycle. The point of this graph is to show the match with greenhouse gases. Do you really think the match is a coincidence?

Of course not, temperature drives CO2. Your problem is assuming the connection is backwards.
 

monovillage

Diamond Member
Jul 3, 2008
8,444
1
0
A cute graph, with no attribution, no evidence and no proof. There's AGW science for you in a nutshell.
 

charrison

Lifer
Oct 13, 1999
17,033
1
81
Except it is unusual. The rate we've had for the last 200 years is much greater than the normal changes caused by the Milankovitch cycle. The point of this graph is to show the match with greenhouse gases. Do you really think the match is a coincidence?

The problem is there has been no significant change.
 

Throckmorton

Lifer
Aug 23, 2007
16,830
3
0
Of course not, temperature drives CO2. Your problem is assuming the connection is backwards.

You need to take a basic chemistry class.

We know how much CO2 has been released by burning fossil fuels. We know how much is in the atmosphere now. Therefore we know how much of the current CO2 increase is our fault, which is almost all.
 

Throckmorton

Lifer
Aug 23, 2007
16,830
3
0
I can't view your link from work. Is this the chart you're referring to? Those last 15,000 years have been a killer!


No. It's a 1000 year graph showing stable temperature, actually declining slowly, followed by RAPID rise in temperature coinciding exactly with CO2 concentration during the past 100 years.
 
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chucky2

Lifer
Dec 9, 1999
10,038
36
86
Well, whoever was designing the factories and engines spewing all that CO2 325,000 years ago, 235,000 years ago, and 130,000 years ago sure didn't take into account their contributions to global climate change.

Selfish b@stards.

Chuck
 

Throckmorton

Lifer
Aug 23, 2007
16,830
3
0
Well, whoever was designing the factories and engines spewing all that CO2 325,000 years ago, 235,000 years ago, and 130,000 years ago sure didn't take into account their contributions to global climate change.

Selfish b@stards.

Chuck

Climate change happens for several different reasons... One is the Milankovitch orbital cycle, which causes those big changes you see in the Vostok data. Another is catastrophic events like meteor strikes or volcanism. The one we are concerned with is the human release of huge amounts of CO2 and other greenhouse gases by burning fossil fuels.
 
Nov 30, 2006
15,456
389
121
Climate change happens for several different reasons... One is the Milankovitch orbital cycle, which causes those big changes you see in the Vostok data. Another is catastrophic events like meteor strikes or volcanism. The one we are concerned with is the human release of huge amounts of CO2 and other greenhouse gases by burning fossil fuels.
Can you show me any model that reasonably replicates 400k years of actual historical data?
 

Atheus

Diamond Member
Jun 7, 2005
7,313
2
0
What really worries me personally isn't the new data, or even the alleged manipulation of data (which is appalling), but the fact that there now seem to be two sides who believe whatever they believe _regardless_ of the data, and seem to think that when the other side is proved wrong they will have 'won' something. At the end of the day we still need a way of regulating the temperature of the Earth to ensure the survival of civilization in the long term.
 

woolfe9999

Diamond Member
Mar 28, 2005
7,164
0
0
What really worries me personally isn't the new data, or even the alleged manipulation of data (which is appalling), but the fact that there now seem to be two sides who believe whatever they believe _regardless_ of the data, and seem to think that when the other side is proved wrong they will have 'won' something. At the end of the day we still need a way of regulating the temperature of the Earth to ensure the survival of civilization in the long term.

The truth is that no one here on this discussion board has any idea of what they are talking about. Some of us can understand the issue in broad strokes, or assimilate certain pieces of information. Charts and graphs are attractive to non-scientists because it helps us visualize. However, virtually no one who has a strong opinion on this issue is really qualified to hold such an opinion.

As lay people, we can only monitor what is going on in the scientific community, because that is what this is and all that it should be - a discussion among scientists. The rest is all just "hot air."

- wolf
 
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