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originally posted by: network dude
My take on reading this article, is that some natural factors contribute a good bit to the increase in C02, and this isn't the kind of news you normally see advertised on the MSM. It's against the narrative. And this is the kind of thing that when factored into the models, should help put some sort of percentage man is responsible for adding to the problems. (which is a very valid question in my uninformed opinion)
So to recap, I'm not deying anything, I'm not claiming man has no influence in nature, and I'm not ragging on Al Gore, I'm simply bringing this article to the forum, and offering my opinion that since this is against the "it's all mans fault" narrative, this isn't the kind of article you will find in the MSM.
And while I'm not anywhere near as intelligent as a liberal would be, I do comprehend photosynthesis.
originally posted by: Greven
Earth's atmosphere: 5,148,000 gigatonnes (Gt) = a
Mean molar mass of the atmosphere: 28.97g/mole = b
Carbon Dioxide (CO2) molar mass: 44.0095 g/mole = c
Atmospheric CO2 parts per million (ppm), November 2014: 397.27 ppm = d
Atmospheric CO2 ppm, November 2015: 400.16 ppm = e
Atmospheric CO2 mass, November 2014 (a * (c / b) * d): 3,106.7812 Gt = f
Atmospheric CO2 mass, November 2015 (a * (c / b) * e): 3,129.4654 Gt = g
Atmospheric CO2 mass increase (g - f): 22.6842 Gt
originally posted by: Greven
We know about how much CO2 is produced by burning fuel, and about how much we burn each year:
Coal: 0.093303951 (lowest type ratio) tonnes CO2/million Btu * 153,000,000,000 million Btu in 2012 = 14,275,504,503 tonnes of CO2 = ~14 Gt of CO2
Oil: 0.071304721 (lowest type ratio) tonnes CO2/million Btu * 90 million barrels per day * 365 * 5.8 million Btu/barrel = 13,585,688,492 tonnes of CO2 = ~13 Gt CO2
Combined: 27 Gt CO2/yr
There are of course others, but the combined emissions are already in excess of the increase. I don't really feel like looking up the 2011-2012 values, but the change is as I recall lower than 2014-2015.
originally posted by: strongfp
a reply to: nwtrucker
I cannot explain it to you better than a scientist can.
But C02 levels on this planet are very fragile, they play a minor role in the way the earths atmosphere allows heat to be trapped in or let out.
But, even massive sudden influxtions in C02 can be easily mitigated and managed by the planet.
To put it into basic terms, and it's why I used my alcohol analogy, is that humans have been sending out a steady flow of C02, while destroying massive amount of ecosystems that would have otherwise just simply absorbed the influx from say multiple volcanoes, and what not over time.
But, that's not the case. Now, imagine an alcoholic going on a binge drinking session every weekend, plus drinking heavily throughout the week. The body has no time to really recover from the binge, it just suffers.
It's the same with C02 emissions, all it takes is the earth to go through a bunch of binge sessions and no time in between to recover because of humans destroying ecosystems, all the while spewing out C02 unnaturally.
Now on top of this, throw in all sorts of other factor, and scenarios. It's not a good sign. So why not work towards letting the planet be able to cope with natural causes on it's own? Ease it's pain from it's human disease of greed for natural resources.
originally posted by: havok
a reply to: network dude
Don't fight the narrative!
Tax everyone! That's the solution!
People caused it all!
Tax!
AGW!
/s
originally posted by: Phage
a reply to: network dude
Right. That's the new paradigm, isn't it? Now that warming is pretty hard to deny. And that rising CO2 concentrations have been so for quite a while.
"Well human activity is doing something to the climate, but we don't know exactly how much."
To answer your question:
> 50%
All things considered.
originally posted by: jrod
a reply to: network dude
The headline is misleading.
Maybe NASA is trying to win points with the current administration.
Actually, we are and have been in an Ice Age for millions of years. Perhaps you mean glacial period? The one that ended about 10,000 years ago?
In all honesty, we are coming out of an ice age, so warming is kind of a given,
Stop it? Not anytime soon. Apply the breaks? Absolutely. You think full speed ahead is a good plan?
If we had any ability to stop this runaway train, we should see some indication of a downward trend.
originally posted by: Phage
Stop it? Not anytime soon. Apply the breaks? Absolutely. You think full speed ahead is a good plan?
We are. By reducing carbon emissions we will apply the brakes. We won't stop the train anytime soon, but we can slow it down. In doing so, we will give ourselves more time to apply the brakes harder still. By slowing the rate of change, we will reduce the impacts of rapid change as well as better understanding and dealing with them. The longer we wait, the faster the train is going, the harder it will be to slow it and the faster the changes will occur. The faster they occur, the stronger the impact.
Aren't you the one who keeps telling me we are doing things to mitigate this? It's either one, or the other, not both.
There are a lot of things that are missing. But the basic facts are known. CO2 increases radiative forcing. Increased forcing increases temperatures. Increasing temperatures produce other "feedback" effects (like increased water vapor content, and maybe things like your OP is talking about).
And I really hate to ask this of you, but have you ever considered the option that you might be missing some key information about the climate, and things aren't as cut and dried as some would have us think?
originally posted by: Phage
a reply to: network dude
Right. That's the new paradigm, isn't it? Now that warming is pretty hard to deny. And that rising CO2 concentrations have been so for quite a while.
"Well human activity is doing something to the climate, but we don't know exactly how much."
To answer your question:
> 50%
All things considered.
New paradigm?
The debate is about AGW, not global warming generally.
For his own part, Pruitt acknowledged that global warming is occurring, and that “human activity contributes to it in some manner”. But he added: “Measuring with precision, from my perspective, the degree of human contribution is very challenging.”
originally posted by: yorkshirelad
Here we go again with the denials. Here is fact :
Scientists know with 100% certainty that the increasing CO2 is due to fossil fuel burning.
Want to argue? Then first do some research about carbon isotopes. You know the stuff that allows dead organic material to be aged because all living organisms uptake a fixed proportion of isotopes. The fossil fuels are so old they have none. The calculation is not as simple as first glance (i know some folks will leap in there without thinking) due to the imbalance in the ratios due to the burning and the re-absorbtion of ancient CO2 in the cycle. But they can, have and continue to do it.
So they know for 100% we are the cause becasue they can measure how much carbon in the CO2 is sourced from fossil fuels due to the isotope ratios.
originally posted by: 0x6372756d6273
a reply to: network dude
Right here?
www.abovetopsecret.com...