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originally posted by: Teikiatsu
I'm getting tired of the tactic whereby you think attacking the messenger refutes the message.
If your premise is that private funding makes a private statement from a private scientist invalid, then public funding makes a public statement from public scientists (NOAA, EPA, etc) equally invalid.
What is it about the funding that makes science legitimate or not?
[snip]
And even if Greenpeace ever scrubs this page, trust me there are people who have archived it as well as taken screenshots for posterity. And for people who attack the messenger.
originally posted by: network dude
a reply to: mc_squared
so how do we fix this?
What steps do we need to take to reverse global warming?
originally posted by: pikestaff
How did that lady get CO2 down to 400 parts per million in that container? that's what it is at the moment.
That experiment made it look like our whole atmosphere is CO2! is it?
originally posted by: Peeple
a reply to: mc_squared
S&F
and adding super fun soundtrack
You misunderstand the concept and physics involved. An increase in CO2 doesn't mean instant reflection in warming.
Because anthropogenic CO2 emissions do not appear to have caused any acceleration in the rate of warming. We increased our CO2-output by 3500% and the warming increased at exactly the same rate. The rate of recent warming appears to be well-within natural variation, hence the reason for asking my question: how do you know that what has happened to the temperature is not merely the earth rolling on with natural cycles?
Why do you say there is no anthropogenic signature in the global surface temperature record?
The CO2-greenhouse warms the surface by radiative heat-transfer.
Yes. Oceans act as heat sinks, slowing the rate of atmospheric temperature increase.
However the same would probably not happen with the oceans. Because water has such a high specific heat and high latent heat of vaporisation and covers 70% of the earth's surface a significant portion of downward radiation from CO2 impinging on the surface would be converted into the production of water vapour without raising the surface temperature.
originally posted by: Grimpachi
originally posted by: network dude
originally posted by: Kali74
a reply to: Reallyfolks
We most likely passed the point of no return for 2C warming considering we have no globally agreed upon plan to reduce CO2 emissions. 2C warming is going to be chaotic, it's going to hurt financially, it's going to cause some human migration, it's going to affect food production and most likely cause some new wars and revolutions.
We can still hold warming to 2C. The first step in that process is to stop denying what is causing the planet to warm. Had we acknowledged simple science 30 years ago when the first alarm was sounded (actually the first alarm was sounded in the late 1800's), we could have been a lot further ahead and maybe not have passed the 2C threshold. Should we continue the false debate and not try to hold to 2C? After 2C it's starts to get a whole lot less sure that humans can survive the chaos.
Maybe we should just spend the next few hundred years erecting an, as close to indestructible shrine as we can get, with pictographs of the history of the human race and warnings against all the things we did to off ourselves, for the next intelligent species Earth spawns.
If we all sit in a drum circle, sing kumbuy-ya and agree that we have caused all of this, what then, could happen to reverse it? Or slow it down? remember, your answer needs to be realistic.
I may be wrong but I am pretty sure you have participated in a few threads where I presented technologies that are carbon neutral even some that remove co2 from the atmosphere. So the technologies exist already but as long as our elected officials block them at the behest of the fossil fuel industry because they have successfully created a false narrative that the science on AGW is unsettled then we can expect things to get worse.
originally posted by: Kali74
a reply to: Reallyfolks
We most likely passed the point of no return for 2C warming considering we have no globally agreed upon plan to reduce CO2 emissions. 2C warming is going to be chaotic, it's going to hurt financially, it's going to cause some human migration, it's going to affect food production and most likely cause some new wars and revolutions.
We can still hold warming to 2C. The first step in that process is to stop denying what is causing the planet to warm. Had we acknowledged simple science 30 years ago when the first alarm was sounded (actually the first alarm was sounded in the late 1800's), we could have been a lot further ahead and maybe not have passed the 2C threshold. Should we continue the false debate and not try to hold to 2C? After 2C it's starts to get a whole lot less sure that humans can survive the chaos.
Maybe we should just spend the next few hundred years erecting an, as close to indestructible shrine as we can get, with pictographs of the history of the human race and warnings against all the things we did to off ourselves, for the next intelligent species Earth spawns.
It also warms the atmosphere conductively (not to mention convection).
Yes. Oceans act as heat sinks, slowing the rate of atmospheric temperature increase.
The signature is there. You're looking for a linear relationship where none exists.
What causes air temperatures to rise? Nitrogen does not absorb infrared energy, and yet it gets heated. And it takes time to do so.
And the back-radiation from CO2 would produce an (almost instant) increase in kinetic energy when absorbed by the land.
No. I mean water absorbing and retaining heat gained by both radiation and conduction. Cool ocean currents absorb heat from the atmosphere, cooling it. That heat is retained in the ocean.
You mean water condensing into clouds and acting as a negative feedback?
Then your eyes are closed.
Funny, all I see is CO2 increasing and temperature chugging along at the same rate regardless.
While I understand some who are really wrapped up in this will not be able to answer this, how is it even remotely possible that we could make enough changes to even stall that chart, let alone reverse it?
You know that our population will continue to increase, our consumption will continue to increase, and with ZERO advancement in alternative fuels,
it's unlikely that we will be able to make any meaningful changes in the foreseeable future.
how on Earth is it productive to continue this argument over who is to blame?
So like I said, if 100% of everyone decided that yes, humans are solely responsible for warming, it would change nothing.
originally posted by: Grimpachi
a reply to: network dude
While I understand some who are really wrapped up in this will not be able to answer this, how is it even remotely possible that we could make enough changes to even stall that chart, let alone reverse it?
We can simply switch to solar, geothermal, and wind power.
You know that our population will continue to increase, our consumption will continue to increase, and with ZERO advancement in alternative fuels,
Yes our population will rise but it isn't true that there have been ZERO advancements in alternative fuels.
There have been huge advancements in alternative fuels.
it's unlikely that we will be able to make any meaningful changes in the foreseeable future.
That is true if we keep electing representatives that are owned by the fossil fuel industry. That is true if the PTB can keep the population debating settled science.
how on Earth is it productive to continue this argument over who is to blame?
It isn't so much a who but what. Once people stop arguing over the cause I think we can start addressing the solutions as a whole.
So like I said, if 100% of everyone decided that yes, humans are solely responsible for warming, it would change nothing.
On that I disagree.
originally posted by: Grimpachi
It isn't that hard just look at Coasta Rica they accomplished it.
originally posted by: Grimpachi
And we are a country that barely scratches the surface with geothermal andwe have huge potential with solar something Costa Rica doesn't mess with because of the 12 hour days.
We are in a much better position to switch to renewables.
Not accurate, we are far and away the top megawatt producer of geothermal energy in the world. We just happen to have the third highest population to go along with it.
Nothing at this point is as low cost as fossil fuels
anytime there is talks of putting ANY type of power plant somewhere the NIMBY's heads explode.
originally posted by: Grimpachi
a reply to: Reallyfolks
The US Navy has already devised a method of turning sea water into jet fuel. Geothermal plants are expensive to build but pay out better than coal in the long run.
The only real logistics to overcome are the obstacles the fossil fuel industry has placed in front of us.
It isn't that hard just look at Costa Rica they accomplished it and solar isn't even part of it with them.