Australian Politics Forum - CO2 reaches 400ppm

The_Barnacle

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CO2 reaches 400ppm
Apr 30^th, 2013 at 10:16pm

Quote:

Global carbon dioxide levels set to pass 400ppm milestone

The concentration of carbon dioxide in the atmosphere has reached 399.72 parts per million (ppm) and is likely to pass the symbolically important 400ppm level for the first time in the next few days.

Readings at the US government's Earth Systems Research laboratory in Hawaii, are not expected to reach their 2013 peak until mid May, but were recorded at a daily average of 399.72ppm on 25 April. The weekly average stood at 398.5 on Monday.

CO2 atmospheric levels have been steadily rising for 200 years, registering around 280ppm at the start of the industrial revolution and 316ppm in 1958 when the Mauna Loa observatory started measurements. The increase in the global burning of fossil fuels is the primary cause of the increase.

The last time CO2 levels were so high was probably in the Pliocene epoch, between 3.2m and 5m years ago, when Earth's climate was much warmer than today.

http://www.guardian.co.uk/environment/2013/apr/29/global-carbon-dioxide-levels

Congratulations on reaching the 400ppm milestone

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JC Denton Gold Member Offline Posts: 5492 Gender:	Re: CO2 reaches 400ppm Reply #1 - Apr 30^th, 2013 at 10:18pm lets import more third worlders!
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Innocent bystander Gold Member Offline Australian Politics Posts: 4220 Gender:	Re: CO2 reaches 400ppm Reply #2 - Apr 30^th, 2013 at 10:46pm The trees aren't complaining
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BatteriesNotIncluded Gold Member Offline MediocrityNET: because people died for this! Posts: 26966	Re: CO2 reaches 400ppm Reply #3 - May 1^st, 2013 at 12:42am Innocent bystander wrote on Apr 30^th, 2013 at 10:46pm: The trees aren't complaining Innocent is a joke! More Carbon Dioxide leads to acid rain!! Get ready for a baby boomer hatefest:
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Innocent bystander Gold Member Offline Australian Politics Posts: 4220 Gender:	Re: CO2 reaches 400ppm Reply #4 - May 1^st, 2013 at 8:53am I thought you liked acid.
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red baron Gold Member Offline Australian Politics Posts: 10204 Blue Mountains Gender:	Re: CO2 reaches 400ppm Reply #5 - May 1^st, 2013 at 9:17am Wew had all better go out and have an end of the world party, funny thing is, without it, we would all be dead.
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Innocent bystander Gold Member Offline Australian Politics Posts: 4220 Gender:	Re: CO2 reaches 400ppm Reply #6 - May 1^st, 2013 at 11:06am How are we going to offset the coming global cooling period if we don't get some more co2 out there?, why do the greenys want us to freeze our arses off?
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Swagman

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Re: CO2 reaches 400ppm
Reply #7 - May 1^st, 2013 at 11:29am

Quote:

The last time CO2 levels were so high was probably in the Pliocene epoch, between 3.2m and 5m years ago, when Earth's climate was much warmer than today.

Soooooo if it was much warmer than today in the Pliocene and we have the same level of CO2 concentration today, then what caused the temperatures to be much warmer than today in the Pliocence? Huh

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Makka

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Re: CO2 reaches 400ppm
Reply #8 - May 1^st, 2013 at 3:17pm

Swagman wrote on May 1^st, 2013 at 11:29am:

Quote:

The last time CO2 levels were so high was probably in the Pliocene epoch, between 3.2m and 5m years ago, when Earth's climate was much warmer than today.

Soooooo if it was much warmer than today in the Pliocene and we have the same level of CO2 concentration today, then what caused the temperatures to be much warmer than today in the Pliocence? Huh

Dino farts Wink

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Innocent bystander Gold Member Offline Australian Politics Posts: 4220 Gender:	Re: CO2 reaches 400ppm Reply #9 - May 1^st, 2013 at 8:09pm Fred Flinstones rapacious appetite for fossil fuels.
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The_Barnacle

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Re: CO2 reaches 400ppm
Reply #10 - May 2^nd, 2013 at 9:29pm

Swagman wrote on May 1^st, 2013 at 11:29am:

Quote:

The last time CO2 levels were so high was probably in the Pliocene epoch, between 3.2m and 5m years ago, when Earth's climate was much warmer than today.

Soooooo if it was much warmer than today in the Pliocene and we have the same level of CO2 concentration today, then what caused the temperatures to be much warmer than today in the Pliocence? Huh

The article actually says

Quote:

The last time CO2 levels were so high was probably in the Pliocene epoch

It never said that CO2 levels today are exactly the same as the Pliocene epoch.

Having said that, CO2 isn't the only thing that affects climate. There are changes to the earths orbit, changes in continental drift, changes in the suns heat, changes in the oceans currents. All these things have caused natural changes to the Earths climate in the past.

However if all those other factors are stable, which they have been for the past 200 years, then clearly the current global warming we are experiencing is due to the measurable increase in the concentration of CO2.

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BatteriesNotIncluded

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people died for this!

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Re: CO2 reaches 400ppm
Reply #11 - May 3^rd, 2013 at 1:11am

Innocent bystander wrote on May 1^st, 2013 at 8:53am:

I thought you liked acid. Grin

Me suspects Innocent is trying to chew up the worlds entire internet address space because the conservatives said it was the only way to squeeze their collective tiny doodles for a bit longer!

The world turns and innocent can't handle the truth!

Grin

http://www.documentingreality.com/forum/f10/9-11-jumper-victim-26792/

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*Sure....they're anti competitive as any subsidised job is. It wouldn't be there without the tax payer. Very damned difficult for a brainwashed collectivist to understand that I know.... (swaggy) *

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Swagman

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Re: CO2 reaches 400ppm
Reply #12 - May 3^rd, 2013 at 11:13am

The_Barnacle wrote on May 2^nd, 2013 at 9:29pm:

Swagman wrote on May 1^st, 2013 at 11:29am:

Quote:

The last time CO2 levels were so high was probably in the Pliocene epoch, between 3.2m and 5m years ago, when Earth's climate was much warmer than today.

Soooooo if it was much warmer than today in the Pliocene and we have the same level of CO2 concentration today, then what caused the temperatures to be much warmer than today in the Pliocence? Huh

The article actually says

Quote:

The last time CO2 levels were so high was probably in the Pliocene epoch

It never said that CO2 levels today are exactly the same as the Pliocene epoch.

Having said that, CO2 isn't the only thing that affects climate. There are changes to the earths orbit, changes in continental drift, changes in the suns heat, changes in the oceans currents. All these things have caused natural changes to the Earths climate in the past.

However if all those other factors are stable, which they have been for the past 200 years, then clearly the current global warming we are experiencing is due to the measurable increase in the concentration of CO2.

It's not exactly 'clear' though. It's actually circumstantial.

Serious climatologists hold this view and it is the eco-socialists that push the AGW theory for their political agenda.

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Sprintcyclist Gold Member Offline OzPolitic Posts: 41229 Gender:	Re: CO2 reaches 400ppm Reply #13 - May 3^rd, 2013 at 12:31pm 400 C'mon, we can do better than that.
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BatteriesNotIncluded

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people died for this!

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Re: CO2 reaches 400ppm
Reply #14 - May 4^th, 2013 at 1:52am

Swagman wrote on May 3^rd, 2013 at 11:13am:

The_Barnacle wrote on May 2^nd, 2013 at 9:29pm:

Swagman wrote on May 1^st, 2013 at 11:29am:

Quote:

The last time CO2 levels were so high was probably in the Pliocene epoch, between 3.2m and 5m years ago, when Earth's climate was much warmer than today.

Soooooo if it was much warmer than today in the Pliocene and we have the same level of CO2 concentration today, then what caused the temperatures to be much warmer than today in the Pliocence? Huh

The article actually says

Quote:

The last time CO2 levels were so high was probably in the Pliocene epoch

It never said that CO2 levels today are exactly the same as the Pliocene epoch.

Having said that, CO2 isn't the only thing that affects climate. There are changes to the earths orbit, changes in continental drift, changes in the suns heat, changes in the oceans currents. All these things have caused natural changes to the Earths climate in the past.

However if all those other factors are stable, which they have been for the past 200 years, then clearly the current global warming we are experiencing is due to the measurable increase in the concentration of CO2.

It's not exactly 'clear' though. It's actually circumstantial.

Serious climatologists hold this view and it is the eco-socialists that push the AGW theory for their political agenda.

the ol black is actually white rationale is bacK!!!

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*Sure....they're anti competitive as any subsidised job is. It wouldn't be there without the tax payer. Very damned difficult for a brainwashed collectivist to understand that I know.... (swaggy) *

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