Good news and a quick trip down the rabbit hole to talk about the other atmospheric issue - and why any of this is even an issue to begin with.
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#franlab #chemistry #news
- Music by Fran Blanche -
Fran on Twitter - https://twitter.com/contourcorsets
Fran's Science Blog - http://www.frantone.com/designwritings/design_writings.html
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Hey Fran, turn off the comments. When the world began. When the first amoeba swam to shore took a look around and noticed he was the only one there and multiplied plentifully eventually becoming dense jungle forests and giant carnivorous lizards up until the red layer and the ice age. Then mammals and people showed up. They used hairspray and refrigerants and fluoridated their drinking water and toothpaste and caused an ozone layer which let the sunlight in only too much. And they talk about global warming. Ice ages occur cyclically every million years. A million years ago before the mammals and the ice age and the red layer I wonder, did the dinosaurs breath fire and have a problem with global warming too. Makes you think.
Yes, ice on land will raise the oceans when it melts. Greenland, Antarctica. At the rate we’re going, New Orleans will be under water in <30y
Propellent
nice explanation! thanks
Wow Fran. This episode was fantastic. Once again i am so much smarter. Thanks
You did good. I worked in ambiemt air quality for many years. (Ground level vs stratospheric air quality) Ozone, Sulfur Dioxide, Nitric Oxides, Carbon Monoxide, Total Carbon & Particulate matter (TSP, PM10, PM2.5). It's really difficult to convince folks that there is any kind of a problem because, like the weather, if you wait, things will change and they won't remember that their eyes were watering & skin was burning just three miles down the road. Keep fighting the good fight. Tootles… Wade
Great video, hopefully as The Ozone Layer heals, it will compound and heal faster than predicted.
yeah the ozone is better cause we switched the coolant to an even more inefficient type of refrigerant…but it doesn't deplete the ozone it just contributes to green house gases. So when those get bad they will which back to the ozone deleting mix…and on and on as usual. But hey you want and need that AC right….Now i have to live through ozone warnings in my area warning me about to much ozone in the air. I hope they switch back again soon so the next generation can hear about the dangerous green house gas build up. Its a giant scam and they figured it out decades ago. 50 yrs of the sky is falling being promised….nothing happened. What a bummer i really was hoping it would end in total nuclear annihilation. oh then it was water world….I waited for the end of the suffering but it never happened. great episode.
Stupid question, but why dont people use an ozone generator to help heal the ozone layer?
Love you, Fran – thanks for this share.
CFCs were used in an amazing variety of ways in the past. I had Cold Power toys that ran on automotive freon.
I think CFCs are still used in inhalers, but I'm not sure.
Getting an entire planet to change its ways isn't easy…possible, but not easy.
Population control will do a lot. Less increase in population means less emissions. The whole world should NOT emulate the US lifestyle. Ours is NOT sustainable. If people won't do it themselves, Mother nature will do it for you in the form of famine and disease. No matter what the farm lobby says, there is only a finite amount of land that food can be produced on and distribution is an issue. More chemical fertilizers, herbicides, pesticides and GMO crops are not the answer. Our throw away society HAS to change.
Note though the CFC's also are used as anesthetic gases still, much more effective than any other anesthetic gas, and non flammable makes them wanted in hospital use. Thus there is still a production of them for this, and this use is unlikely to be ever replaced. Note the major release of CFC gases was in making of polystyrene packaging, where it was literally used once before being dumped, while the refrigerant use was a lot lower volume. Also was used as an industrial cleaner, because it is an incredibly good non polar solvent, and leaves no residue on surfaces after use.
Incidentally still being made, and used as a precursor for many industrial processes still, and unable to be replaced, though there it is very much recycled. Also still a component of some of the speciality refrigerants, where there is literally nothing else that works in that application, and medical uses do need ultra low temperature freezers, that still use CFC gas as the refrigerant.
A tutor told me that she used to dust her horses and, by extension, herself with a powder laced with DDT.
Myself, I did regular training using Halon fire extinguishers.
Both these were deemed safe and effective at the time.
The tutor quipped that this was probably the reason she was so tiny 🙂