L
lynnvinc
Guest
I looked into the issue. Quite right re the thermosphere (upper atmosphere) – the CO2 actually has a cooling effect above the GH belt, but a warming effect below as it re-radiates inferred heat back to earth.There is simply so much hyperbole and heated debate regarding climate change and its possible causes that the opposition, no matter which side you are on, has served, at the very least, to call your belief, whatever it is, into serious question. Several posts ago I read that NASA has now discovered that carbon dioxide actually has a cooling effect, not a warming one, thereby eliminating the major scientific hypothesis of proponents of MMGW. But if you check the internet you will not find the other side surrendering any ground. So far I have found one “debunking” of the media’s interpretation of the NASA report. If the past holds true, new rebuttals will appear. Also, I did note a new study that it is chlorofluorocarbons, not carbon dioxide, that is causing global warming. phys.org/news/2013-05-global-chlorofluorocarbons-carbon-dioxide.html
As a concerned citizen with no dog in the fight, all I want is a rational plan for correcting any behaviors that most experts agree have a link to seriously damaging the earth, or a refutation of same by most experts. It would be logical to wait until the dust settles on the recent NASA report. I have to go with “most experts” because it’s all I have to go on, unless someone can prove a systemic cause for error in their findings. I think I may be asking for too much. Apparently, we do not live in a rational world.
The issue you mentioned was about a brief period in 2012 of solar flares – see science.nasa.gov/science-news/science-at-nasa/2012/22mar_saber/ – and has nothing to do with the GH effect, which has CO2 and other GHGs warming the earth below in the lower atmosphere, land, and seas. But, yes, there is a cooling effect in the thermosphere above, also bec the heat is being trapped below and not as much escapes.
Some years back there was an issue of some studies mixing the higher up thermosphere cooling temps with lower atmosphere warming temps, resulting in bogus findings that GW was not happening, but that was eventually corrected.
So AGW is most certainly happening and showing the beginnings of negative impacts – melting ice, rising seas, increased heatwaves, wildfires, droughts, floods, extreme precip events, disease spread, more intense storms, etc. We can only expect much worse in the future, so it behooves us to reduce our GHG emissions, at least in ways that do not cost, or actually save us money. And the U.S. for one can reduce this by 75% cost-effectively without lowering living standards or productivity. See: natcap.org
We just have to get busy and do it.