Anthropogenic Global Warming is real or not?

neptronix

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I'm posting this thread because a certain number of people here want to talk about AGW being real or not.
These people like to duke it out all over ES, flooding threads where people would rather discuss the topic of the thread instead.

We don't like it because it ruins the discussion quality of this site.

Moderators now have the right to move all co2 debate posts to this thread.
Members who want to debate this topic are asked to contain these posts to this thread. If they don't, their posts may be moved here, or deleted at moderator's discretion.

So in short, here's where the debate goes on from now on.

Without further ado..

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.marvin78
..co2 exists in the atmosphere for hundreds if not thousands of years, so wanting to see an immediate effect after 1 year of reduction is really... 'shortsighted'.…The buildup of CO2 from the previous decades since the industrial revolution will continue to cause atmospheric increases in co2 levels.
Let me understand some of this….
1) How do you explain the annual fluctuations in the measured CO2 data (Mona Loa) ?
2) if you increase CO2 emissions to the atmosphere, it can be measured within weeks/months ( as the Mona loa data shows)
But you suggest any reduction would not be noticed for years ??
3) And what is the mechanism where the CO2 emmissions from “previous decades” continues to cause atmospheric CO2 levels to increase ?
 
EDIT: Oops, sorry, wrong thread. ;)
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It's official - 2024 was the warmest year in the instrumental record by a huge margin.

Warmest years on record so far, along with deltas from the 1850-1900 average temperature: (degrees C and F)

120241.292.34
220231.172.11
320161.001.80
420200.981.76
520190.951.71
620150.931.67
720170.911.64
820220.861.55
920210.841.51
1020180.821.48
1120140.741.33


 
Let me understand some of this….
1) How do you explain the annual fluctuations in the measured CO2 data (Mona Loa) ?
Seasonal fluctuations can occur due to seasonal growth cycles, or changes in temperature affecting how much co2 the oceans can absorb/hold, among other reasons.

2) if you increase CO2 emissions to the atmosphere, it can be measured within
weeks/months ( as the Mona loa data shows)
But you suggest any reduction would not be noticed for years ??

3) And what is the mechanism where the CO2 emmissions from “previous decades” continues to cause atmospheric CO2 levels to increase ?


Unlike you, I have no fear of sharing my sources. Please read it, or at least the census of it, find why it's 'not applicable' and come back to me I'm sure you will find plenty.

This is 100% awesome, made out of pure win.

It's official - 2024 was the warmest year in the instrumental record by a huge margin.

Warmest years on record so far, along with deltas from the 1850-1900 average temperature: (degrees C and F)

120241.292.34
220231.172.11
320161.001.80
420200.981.76
520190.951.71
620150.931.67
720170.911.64
820220.861.55
920210.841.51
1020180.821.48
1120140.741.33



The main issue I have with 'warmest year' is that most people don't even understand the implications. More warmth is not just being able to out without a coat, but it's more energy in systems we don't even fully understand yet, or at least don't fully understand how they interact with each other.

Like, it's getting warmer, nice.. but we had the darkest December in a long time, not seen the sun in weeks. Was this related to climate change, or just one of those 'one off' things? Not sure.
 
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I don't see a reason to post a bunch of links how frocked we are , if you want to find out it's not very hard. Or just "Don't Look Up"
 
Changed the title!
 
I wonder how many people will have to look up 'anthropogenic', wouldn't 'human caused' be the better suggestion if going for readability?
 
Because it's the term commonly already used for this?
 

Searching on this will get more poorly informed opinions?

Anthropogenic might get more peer-reviewed papers with references traceable to actual measurements?
 
You can still visit the remnants of glaciers if you require proof of global warming first hand. Hotels in the area have lots of not that very historical photos for comparison too.
 
Like, it's getting warmer, nice.. but we had the darkest December in a long time, not seen the sun in weeks. Was this related to climate change, or just one of those 'one off' things? Not sure.
Yep. We had the opposite. Sun since May. No rain.

Agreed that we have no way of knowing what second and third order effects we will see. We know some of the simple first order ones - temperatures will increase, rainfall intensity will increase, the strongest storms will get stronger, sea levels will rise, coral will die, winds will increase. What effects will THOSE things have? We can guess but we won't know for sure unless they happen - although we can get more confidence in what they will be by studying how the climate is changing now. A worthwhile endeavor IMO.
 
Let me understand some of this….
How do you explain the annual fluctuations in the measured CO2 data (Mona Loa) ?
In the Northern Hemisphere, in the Spring, plants grow. They take in CO2 and convert it to plant matter. CO2 drops.

In the Fall, plants die. Weeds just plain die. Deciduous plants lose their leaves. They decay, releasing methane and CO2. CO2 rises.

Something similar (but opposite) happens in the Southern Hemisphere. But since there is much less forested land in the Southern Hemisphere, it has less of an effect.
 
One for our slower chemistry and physics students at the back - a very good explanation as to why, despite representing such a small proportion of the atmosphere, greenhouse gases like CO2 and methane heat the atmosphere:
 
Seasonal fluctuations can occur due to seasonal growth cycles, or changes in temperature affecting how much co2 the oceans can absorb/hold, among other reasons
So you agree that “seasonal fluctuations” of CO2 can be detected, measured, and are shown on the Mona Loa data charts .……..and yet you suggest..?….
co2 exists in the atmosphere for hundreds if not thousands of years, so wanting to see an immediate effect after 1 year of reduction is really... 'shortsighted'.…

can you clarify exactly which part of that paper supports your statement that…..”the CO2 emmissions from “previous decades” continues to cause atmospheric CO2 levels to increase ”
 
You can read all you need to know in the linked papers. Stop asking stupid questions indicating you are only interested in stupid arguments.
 
In the Northern Hemisphere, in the Spring, plants grow. They take in CO2 and convert it to plant matter. CO2 drops.
Jack, i was not looking for an explanation of the possible causes of the annual variation, …
…….i was queering marvin78 on why he thinks Its “shortsighted” to expect to measure CO2 variations over short time periods .
…wanting to see an immediate effect after 1 year of reduction is really... 'shortsighted'.…
 
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