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Originally posted by ElectricUniverse
If CO2 is the cause of the warming then why is it that the places with the largest warming have been FAR AWAY from sources of CO2 and pollution, such as large cities?...
Of all the blithering nonsense climate deniers throw at the environmental movement, there is perhaps one criticism that does real damage – that "green is the new religion"
above levels they should be naturally
[MUCKSTER]
The other thing is this accusation that he/she throws around about Environmentalism being a religion
Originally posted by AndyMayhew
You forget (again) that CO2 levels are not the only factor that determine global temperature.
However, all else being equal, a world with 280ppm CO2 will be cooler than one with 560ppm CO2.
Originally posted by AndyMayhew
Yes, warming causes CO2 (and methane) levels to rise naturally (no-one denies this) - but that increase in CO2 then causes more warming. A positive feedback.
Originally posted by AndyMayhew
Currently, CO2 levels are rising significantly above the levels they would naturally be -
Originally posted by AndyMayhew
there has been no warming in the past few thousand years, indeed,
....
Originally posted by AndyMayhew
....
And as for religion, you think Christian fundamentalism isn't a danger?
rt.com...
Smog is a kind of air pollution; the word "smog" is a portmanteau of smoke and fog. Classic smog results from large amounts of coal burning in an area caused by a mixture of smoke and sulfur dioxide. Modern smog does not usually come from coal but from vehicular and industrial emissions that are acted on in the atmosphere by sunlight to form secondary pollutants that also combine with the primary emissions to form photochemical smog.
Photochemical smog
In the 1950s a new type of smog, known as photochemical smog, was first described.
This forms when sunlight hits various pollutants in the air and forms a mix of inimical chemicals that can be very dangerous. A photochemical smog is the chemical reaction of sunlight, nitrogen oxides (NOx) and volatile organic compounds (VOCs) in the atmosphere, which leaves airborne particles (called particulate matter) and ground-level ozone.
Nitrogen oxides are released by nitrogen and oxygen in the air reacting together under high temperature such as in the exhaust of fossil fuel-burning engines in cars, trucks, coal power plants, and industrial manufacturing factories. VOCs are released from man-made sources such as gasoline (petrol), paints, solvents, pesticides, and biogenic sources, such as pine and citrus tree emissions.
This noxious mixture of air pollutants can include the following:
nitrogen oxides, such as nitrogen dioxide
tropospheric ozone
volatile organic compounds (VOCs)
peroxyacyl nitrates (PAN)
aldehydes (RCHO)
All of these chemicals are usually highly reactive and oxidizing. Photochemical smog is therefore considered to be a problem of modern industrialization. It is present in all modern cities, but it is more common in cities with sunny, warm, dry climates and a large number of motor vehicles.[1] Because it travels with the wind, it can affect sparsely populated areas as well.
..........
Originally posted by ElectricUniverse
Originally posted by AndyMayhew
You forget (again) that CO2 levels are not the only factor that determine global temperature.
However, all else being equal, a world with 280ppm CO2 will be cooler than one with 560ppm CO2.
Wrong again... For example, there was a time during the middle of the Jurasic period when CO2 levels were around 2100 ppm, and temperatures were 16C, but at the beginning of the Jurasic period CO2 levels were around 1000ppm - 1,500 ppm and temperatures were 22C.
Originally posted by pasiphae
i miss the days when this forum had more posts per day and i could learn things about climate change. now climate change is taboo here. you get run off and chastised for falling for the "conspiracy". but what if the conspiracy is that you've been tricked into falling for the big corporations say in things that it's all okay? corporations who say "eh. it is what it is and we shouldn't have to stop polluting the planet because it can take care of itself" and pay for scientists to back them. they are rolling in profit.
what if the planet is like our body? you can't shove crap in it every day and expect it to continue to work right. it takes care and proper balance. otherwise you are setting yourself up for possible cancers. no? a doc would never recommend for you to smoke, drink, and eat big macs every day. it's not good for you. so why is it okay to do that to the planet?
i think it's not and it really bums me out that people don't seem to care.
m not sure where you get that 0.08ppm figure from????
One good point made there: is CO2 levels were much higher in the recent past, as some claim, what made them fall before rising again in the past few decades?
Notwithstanding which, CO2 isn't the only cause of AGW
Originally posted by AndyMayhew
Er, read what I wrote again
I'll come back when you've looked up the meaning of straw man argument. You might care to look up ad hominen as well.
Originally posted by minor007
Electricuniverse is a classic example why people dont discuss global warming. As someone else already had said he swamps the threads with cut and paste jobs most of which he dosent read. HE then says the same arguement over and over again then he swamps the thread with more cut and paste jobs. You provide links which counteracts his point of view and he dosent bother to read and he also selectively quotes missing out other points etc etc etc. Noone can have an intelligent discussion on this site anymore with people like him.
Originally posted by AndyMayhew
I'm not say CO2 is THE cause of warming, but I do accept the science that says it should be A cause of warming.
Originally posted by AndyMayhew
That more warming is occuring in polar regions (especially the Arctic, which ought be cooling very slightly due to reduced axial tilt) is, in my opinion, partly due to other factors - such as black carbon.
Originally posted by AndyMayhew
And anyway, CO2 at very low levels does not have a local effect (that I'm aware of - but I may be wrong?), it's impact is felt when CO2 is dispersed through the atmopshere at much higher levels.
Originally posted by AndyMayhew
Where have I introduced a straw man into this discussion on whether or not human activity is causing climate change? I have pointed out in my first post in the thread what I believe to be some of the problems with such discussions on the internet, but that is all.
Originally posted by AndyMayhew
No-one here is refuting that increased levels of CO2 may be good for plants (although there are caveats to that) or that warming has occurred in the past.
Successful indoor growers implement methods to increase CO2 concentrations in their enclosure. The typical outdoor air we breathe contains 0.03 - 0.045% (300 - 450 ppm) CO2. Research demonstrates that optimum growth and production for most plants occur between 1200 - 1500 ppm CO2. These optimum CO2 levels can boost plant metabolism, growth and yield by 25 - 60%.
Originally posted by AndyMayhew
Nor is anyone denying that human activities are detrimental to the environment in other ways - though some of the other pollution you talk about IS a contributory factor in climate change - brown clouds, for example.edit on 27-6-2012 by AndyMayhew because: (no reason given)
Current warmth seems to be occurring nearly everywhere at the same time and is largest at high latitudes in the Northern Hemisphere. Over the last 50 years, the largest annual and seasonal warmings have occurred in Alaska, Siberia and the Antarctic Peninsula. Most ocean areas have warmed. Because these areas are remote and far away from major cities, it is clear to climatologists that the warming is not due to the influence of pollution from urban areas.
Originally posted by ElectricUniverse
You see, it is members like you who decide not to read at all what is being debated and just post your uneducated opinion
Originally posted by ElectricUniverse
Not to mention that CO2 has NOTHING to do with pollution...
If you search for what "smog" is you will find that NOWHERE is CO2 included, the real pollutants are other gases.
Photochemical smog.....
a mix of inimical chemicals that can be very dangerous. A photochemical smog is the chemical reaction of sunlight.....exhaust of fossil fuel-burning engines in cars, trucks, coal power plants, and industrial manufacturing factories. VOCs are released from man-made sources such as gasoline (petrol), paints, solvents, pesticides, and biogenic sources,
Where is CO2 in that list?.... it is NOWHERE simply because CO2 IS NOT A POLLUTANT, despite the EPA claiming the contrary.