Sunlight Releases Toxic Chemicals in City Grime


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Video taken from the channel: The Daily Show with Trevor Noah


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Video taken from the channel: twenty one pilots

“Rather than being a permanent sink for nitrogen oxide gases, grime exposed to sunlight can re-release some of these gases back into the urban atmosphere,” Donaldson explained at an American. MONDAY, Aug. 17, 2015 (HealthDay News)—Sunlight causes grime on city buildings, statues and other outdoor surfaces to release chemicals that create smog, according to a new study. City grime is a mixture of thousands of chemicals—including nitrogen oxides—emitted into the air by vehicle.

Some of Prof Donaldson’s previous work had already shown that in a laboratory, artificial sunlight can strip the nitrogen component from grime which is essentially a cocktail of chemicals belched. MONDAY, Aug. 17, 2015 (HealthDay News) Sunlight causes grime on city buildings, statues and other outdoor surfaces to release chemicals that create smog, according to a new study. City grime is a mixture of thousands of chemicals including nitrogen oxides emitted into the air by vehicles, factories and other. But there’s still plenty of grime.

Combustion from cars, factories and fires spews out nitrogen oxides. Those compounds react with sunlight and air to form ozone—the main ingredient in smog. And. When urban grime is zapped by sunlight, it may activate and release harmful components back into the air, making it more polluted than we originally thought. James Donaldson, a physical chemist.

City dirt releases toxic nitrogen oxide compounds when illuminated by the Sun, increasing air pollution levels in urban areas, a new study has revealed. The study conducted by researchers from the University of Toronto is the first of its kind, looking at the grime covering buildings, statues and outdoor surfaces in cities as a potential source of the toxic pollution. BOSTON, Aug.17, 2015 — In a first-of-its-kind study, researchers have determined that natural sunlight triggers the release of smog-forming nitrogen oxide compounds from the grime that typically coats buildings, statues and other outdoor surfaces in urban areas.

There have been a lot of worrisome reports recently about the health effects of sunscreens with chemical ingredients such as oxybenzone and avobenzone, substances shown to protect skin from the. A. Dearest Michaelann, Call me crazy, but I don’t hate cleaning. There’s something so satisfying about putting one’s home in shiny, grime-free order — like feng shui on the scale of dust.

List of related literature:

Nontoxic, seemingly harmless chlorofluorocarbons (CFCs) from spray cans and refrigerators eroded Earth’s protective ozone shield, thereby threatening the well-being of humans as well as the functioning of ecosystems.

“Chemical Fate and Transport in the Environment” by Harold F. Hemond, Elizabeth J. Fechner
from Chemical Fate and Transport in the Environment
by Harold F. Hemond, Elizabeth J. Fechner
Elsevier Science, 2014

In the presence of sunlight, primary air pollutants, namely CO, VOCs and NOx react to produce tropospheric ozone (Finlayson-Pitts and

“Air Pollution: Sources, Impacts and Controls” by Pallavi Saxena, Vaishali Naik
from Air Pollution: Sources, Impacts and Controls
by Pallavi Saxena, Vaishali Naik
CAB International, 2018

These effects can occur only when the noxious products in question are produced more rapidly than they can be destroyed by the agency of sunlight.

“Human Life: Its Philosophy and Laws” by Herbert M. Shelton
from Human Life: Its Philosophy and Laws
by Herbert M. Shelton
Health Research, 1979

Man­made chlorofluorocarbons from air conditioners and cans of hairspray and deodorant, among other products, had been escaping into the atmosphere and destroying ozone, thus increasing the amount of ultraviolet radiation reaching us.

“Botany: An Introduction to Plant Biology” by James D. Mauseth
from Botany: An Introduction to Plant Biology
by James D. Mauseth
Jones & Bartlett Learning, 2014

Certain chemicals called chlorofluorocarbons (CFCs), used in refrigerators and air-conditioning units, destroy Earth’s protective ozone layer that shields us from the sun’s harmful ultraviolet radiation.

“Keepers of the Animals: Native American Stories and Wildlife Activities for Children” by Michael J. Caduto, Joseph Bruchac
from Keepers of the Animals: Native American Stories and Wildlife Activities for Children
by Michael J. Caduto, Joseph Bruchac
Fulcrum Publ., 1997

Some are carcinogenic and some may contribute to the destruction of the ozone layer in the upper atmosphere, which protects all life from the sun’s strong UV radiation, while other organic chemicals are concentrated and persist in living tissue with an, as yet, unknown effect.

“Environmental Organic Chemistry for Engineers” by James G. Speight
from Environmental Organic Chemistry for Engineers
by James G. Speight
Elsevier Science, 2016

Human exposure to the ozone that vents from the system or the storage tanks must be avoided, since even short-term exposure to a concentration of 0.1 mg/L of ozone may cause irritation of the mucous membranes.

“Soilless Culture: Theory and Practice: Theory and Practice” by Michael Raviv, J. Heinrich Lieth, Asher Bar-Tal
from Soilless Culture: Theory and Practice: Theory and Practice
by Michael Raviv, J. Heinrich Lieth, Asher Bar-Tal
Elsevier Science, 2019

Chemicals known as chlorofluorocarbons (CFCs), used in aerosol sprays, refrigerators and fire extinguishers, were found to be harmful to the ozone layer which protects the Earth from the sun’s harmful ultraviolet radiation.

“Mastering Modern World History” by Norman Lowe
from Mastering Modern World History
by Norman Lowe
Palgrave Macmillan, 2013

Over the last decade, research has shown that the ozone layer in the upper atmosphere is also threatened by Freons,* a group of stable, noncorrosive compounds long used as refrigerants and propellants in aerosol cans.

“Chemical Principles” by Steven S. Zumdahl, Donald J. DeCoste
from Chemical Principles
by Steven S. Zumdahl, Donald J. DeCoste
Cengage Learning, 2016

which could mean a loss of mean daily sunshine The most direct effect of particulate pollution of 16 minutes in the outer suburbs, 25 minutes is to reduce incoming radiation and sunshine.

“Atmosphere, Weather, and Climate” by Roger Graham Barry, Richard J. Chorley
from Atmosphere, Weather, and Climate
by Roger Graham Barry, Richard J. Chorley
Routledge, 1992

Oktay Kutluk

Kutluk Oktay, MD, FACOG is one of the world's foremost experts in fertility preservation as well as ovarian stimulation and in vitro fertilization for infertility treatments. He developed and performed the world's first ovarian transplantation procedures as well as pioneered new ovarian stimulation protocols for embryo and oocyte freezing for breast and endometrial cancer patients.

Mail: [email protected]
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  • i dout 21 pilots will see this i dont know what the next albums theme is but i wanna name it chocking hazard (I dont know how to spell chocking)

  • Not for nothing but DMM permeated the latex glove of Dr. Karen W. up at Dartmouth College. That’s what lead to her subsequent dementia and eventual death.

  • Wenas, si viniste de heavydirtysoul, vas bien
    La próxima letra es:
    A difficult beast feasting on burnt down trees
    Freeze frame, please let me paint a mental picture portrait
    Something you won’t forget, it’s all about my forehead

  • Ahhhhhhh cooooooon queeeeeee nooooooooo saaaaaaabeeeeeeeessssssss deeeeeeee queeeeeeee teeeeee aaaaaguuuuuuuuuuuuuuuuuuaaaaaaaaaantaaaaaaaaaas laaaaaaaaaa riiiiiiiiiiisaaaaaaaaaaaaaaa

  • If they don’t react to anything nor stick to anything, how do they cause cancer? I heard there is a giant yellow ball of gas in the sky that might cause cancer too.

  • Another reason to VOTE FOR BERNIE..THIS IS THE TIME FOR AMERICANS TO TAKE BACK GOVERNMENT FROM THE BILLIONAIRES.. Chemicals are all over USthat means YOU AND ME…. Airplane Jet fule, Car Exhaust, Road Dust, you wonder why Cancer is so prevalent and of course you have to pay for your own treatment while Conglomerate companies get rich and stay rich by buying US senators and congressmen!! Why if you are a conservative you are only concerned about money and power.. and conserving it..

  • The Holy Scriptures speaks to this in this verse of the holy script!

    ������������“The earth is given into the hand of the wicked: he covereth the faces of the judges thereof; if not, where, and who is he?”
    ‭‭Job‬ ‭ 9:24‬ ‭KJV‬‬

  • Pardon my language, I am about to curse. After watching this and definitely believing (backed by CDC), HOW THA FUCK do you want me to contribute to American Cancer Society to find cure!!!!????? No point whatsoever! America is unbelievable!!!

  • Dude this list wrong. It’s actually:
    10. Plutonium
    9. Conotoxin
    8. Ricin
    7. VX
    6. Abrin
    5. Texitilotoxin
    4. Palytoxin
    3. Maitotoxin
    2. Polonium
    1. Botulinum

  • my brain while watching this: nednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednednedned

  • Chlorine Diccionario:Monstruo Encontrado en las piscinas
    Chlorine Google:Monstruito kawai que vive en la piscina de tayler
    Chlorine Gente:Monstruito que te ensucia la piscina y de lo delicado que es se sale,cada vez que lo limpias se mete en la piscina y lo ensucia resumen es un vato bien sad

  • You left out a few of the really bad ones.
    1. Chlorine Triflouride
    2. Dimethyl Cadmium
    3. Ricin
    4. Abrin
    5. Flouroantimonic Acid
    6. Polonium 210
    7. Hydrogen Sulfide
    8. Carbon Monoxide
    And a whole boatload more…

  • World Wreckers strike again. Constantly telling everyone that they are the smartest, when everything they have created is destroying the environment.

  • Don’t panic. his is not about something that acts quickly. And it is not something with a strong carcinogenic effect. That said, it is a severe problem. Because it accumulates over time, very similar to CO2 accumulating over time. Other greenhouse gases degrade, like methane after about 26 years. But CO2 and PFAS do not. It is even possible that we should rationally ignore PFAS and care about climate change to minimize total harm. But accumulating a harmful substance n the environment is so fundamentally unacceptable that it should be handled properly.
    But how can I possibly say ignoring PFAS and spending our efforts on CO2 could be good if PFAS causes cancer?
    (Note that this is a wild speculation to illustrate the idea is not illogical)
    For example, there could be an effect like this: Climate change causes more warm weather, which means more sun irradiation. And that increases the risk of skin cancer. (The cancer risk from UV radiation very much higher than the cancer risk from PFAS.)
    So it could be possible that ignoring PFAS would be the better option to minimize cancer. But then, it would be different people working on these topics so we should just work on both.

  • I got ulcerative colitis when I was 12 years old so is this is what caused it Is what I’m thinking. My docs say they don’t know where it comes from but they only know treatment. I was born in 1999 so I’m honestly really curious if I have this chemical in my system. No one in my family has ulcertive colitis but me mysteriously

  • Thanks Trevor for a very informative presentation on an otherwise very technical subject thank you! The Stockholm Convention brings together 181 countries around the world to control and ban those toxic chemicals known as Persistent Organic Pollutants…known as POPs! Yes Trevor, PPPFAAS are POPs! In 2019, PFAS, together with more than a thousand chemicals from the same family of POPs, was unanimously listed by those 181 countries for global elimination, as the exposure are far beyond just drinking water!…and can be passed on from mother to the unborn child!
    For more info on the international convention visit our website at:

  • 2:41 this is a bullshit problem invented to sell teflon!
    if you take care a cat iron frying pan is as non stick as anything and give much better results! seriously dont use that thin cheap aluminium crap! get a proper cast iron pan! ideally an older one as they had smoother surfaces modern day one get a rougher surface just so it will be easier to season which is annoying… i like sanded down my cast iron waffle iron and rea-seasoned it to get past this annoying problem.

    and never ever use dish washing liquid with them! just scrub them out under running hot water while they are still moderately warm then let them dry from the heat.
    a cast iron pan will only get better with age!

    I refuse to use anything other then cast iron for my frying pans and waffle iron! it’s way better! i do need to get a cast iron dutch oven though…

  • Why are they now finding this? Haven’t they been testing food & water, especially the state’s with the poison level of lead in the water.

  • the ones making it should be forced to submit a blood test. You know if they don’t have it then they kept away from it on purpose knowing full well the dangers while lying about it.

  • Yo! Im a rapper trying to get my new song Stash some play. So if you
    like bass, piano, and emo rap please check me out….and no Im not mormon. Lol

  • Fact, the human body absorbs more fluoride from hot showers than from drinking water. So everyone in here bragging about how nice the water filter they bought is clearly dosent get it.

  • Dimethyl mercury, or organic mercury, is sold through some chemical companies. One ounce costs in the realm of $1500. It is a slow poison that destroys the brain and nervous system.

  • Chlorine Trifluoride is a chemical that should be on this list, but better yet, the most toxic chemical in the world Dimethyl Cadmium

  • Probably the two chemicals that have killed more humans than anything else are water (tsunamis and floods) and oxygen (wildfires).

  • This is nothing new this has been going on for many years and this just something else to add on to the rest of the dangerous chemicals that are already in water before this even became known and I stopped drinking water when I was a kid moved from the south to Philadelphia because first time I drank that water it was the last time I had water and this was in the 90s

  • I have a theory that Dupont created Teflon DELIBERATELY because if you consider the way teflon has invaded so many homes, and is still sold everywhere todaybasically people are being dosed with whatever is in teflon on a daily basis EVERY time they heat those ugly old pans. Every time one of those old teflon pans (or the new ones churned out by Chemour’s Gen X) is scratched, I guarantee that your meats and veggies are tainted. Dosed regularly. Then we clean these non stick pans with brillo pads, ect and MORE of the chemicals go down the drain and into sewage plants, waterways, ect. Every friction on the surface releases at least some dose of whatever Dupont wants you ingesting on a daily basis. IS IT A COINCIDENCE THAT HEART PROBLEMS, CHILD BEHAVIOR PROBLEMS and FERTILITY PROBLEMS are plaguing this country? Hmmm, Dupont has these labcoat jerks working on a daily basis testing and testing animals in cages for various responses to chemistry they apply to cookware, textiles (things so very close to our bodies)….. could they produce cookware that would result in big pharma making profits in the billions, ect for psych meds, heart meds, cancer meds?
    People wake the heck up. BIG MONEY= BIG GREED and BIG CORRUPTION. Look no further than the clowns running Washington today. Its a joke. They are sick.
    To top it off (and this is kind of funny)I looked into the Dupont family history. Did you know the Duponts all married each other? They were not only greedy but crazy enough to commit incest with all their cousins, therefor I have one more theory. When you marry your darn cousin, you become a mutant of sorts. Heartless and crazy enough to poison the world while hiding away in a mansion. Heck, the royal family of England is all inbred as well. Generations of INBREDS marrying cousinsand we get Prince Charles as its finest example of “evolution”. They snuffed Diana. I really do believe inbreeding causes all sorts of issues with mental and emotional development. Look at Prince Andrew?? Oh and talk about incestwho can’t keep his hands off his daughter? Trump. Ive seenTrump acting completely disgusting towards Ivanka more than I care to remember. These greedy, corrupt, emotionally warped monsters leave the earth ravaged and treat everyday people like peasants.
    @ Throw OUT your non stick cookware, anything made with Gore Tex, anything with stainmaster or 3M waterproofing. Eat off of glass or cast iron, and nothing made in China!!!

  • Does our president think he’s omnipotent? Does he not get that even he drinks his Diet Coke he’s probably getting a side of PFAS, especially if it comes from Mickey D’s.
    still think he cares about you? He doesn’t even care about the future of his own family.
    You know there’s a problem when you have to get blood samples dating back to Korean War Soldiers to create a baseline.
    How do The Danes create a pan that’s safe? Science and need. Americans we don’t really care that it’s made in China, we’re cheap.

  • Ahhh yes. When my parents went to stainless steel cookware in the early 90s because we were told nonstick pans released cancer-causing chemicals.

  • The epa isn’t doing shit… I’m glad u talked about this. chemicals are everywhere in everything because of basically plastics, and so many products. I have reduced the amt of chemicals in me. u have to reduce yr chemical purchases

  • They call Alex Jones a nuttiness. When literally male frogs were becoming basically females. But the “scientists” say it has no effect on humans ��

  • If you’re chillin at home and have one headphone off while listening so you can hear your family or somebody, DON’T DO THAT. I was severely confused because the drums come in on the LEFT ear, so I distinctly heard the drums come in and I thought that my headphones had unplugged. DON’T LEAVE ONE HEADPHONE OFF WHILE LISTENING TO MUSIC!

  • Batrachotoxin is found in dart poison frogs whereas botulinum toxin is produced by Clostridium botulinum!!
    Hence the name botox.
    Tetrodotoxin is found in putterfish and is also lethal.

  • I came from out side the country.hardly we hear cancer.
    Laugh now is fine.
    Not wen time comes the doc telling.(you got cancer)

    Inly in usa.more cancer then any country in the world.yet.the sound from audience like
    (We love it here)

  • He which testifieth these things saith, Surely I come quickly. Amen. Even so, come, Lord Jesus.

    The grace of our Lord Jesus Christ be with you all. Amen.
    Revelation 22:20-21

    1 Corinthians 9:24-Know ye not that they which run in a race run all, but one receiveth the prize? So run, that ye may obtain.

    And from the days of John the Baptist until now the kingdom of heaven suffereth violence, and the violent take it by force.
    Matthew 11:12


  • As a proud Michigan resident whos been drinking tap water my whole life I’d like to say “blah blah durr drool, I shat myself durr.”

  • unfortunate chemical guys products cost a fortune in Brazil as they are not sold directly to customers by the importer, the importer chemical guys in Brazil, sells to stores for resale to final consumers with high prices, and the variety of products is small

  • Fluoroantimonic acid: B r u h

    0:57 10. Digoxin (Lanoxin)

    1:34 9. Nicotine

    2:05 8. Dimethylmercury

    2:43 7. Hydrogen Peroxide

    3:15 6. Sodium Cyanide

    3:57 5. Hydrofluoric Acid

    4:21 4. Strychnine

    4:56 3. Tabun

    5:24 2. VX (Venomous Agent X)

    5:47 1. Batrachotoxin

  • The most dangerous chemical is actually none other than the one you breath out. If someone were to blow straight into your ear hard enough, it could easily blow you brain up in a way.

    Well it’s at least one of the most dangerous gasses

  • This “bit” is as flat as a pancake! So incredibly serious, so many involved in covering it up, there wasn’t a funny part to this sketch!

  • Aziroazide azide. Is the most explosive chemical in the world scientists try to get a thermal image on the chemical it exploded you touch it explodes left on its own and explodes the only stable state it can have is in a vacuum


  • Also. It’s worth noting that HF is silica reactive and therefore should never be stored in glass containers. Calcium Gluconate gel will draw it out of your skin if exposed dermally (trust me I know), so you don’t go through the horror show spoken about.

  • First this was a conspiracy. Now it’s a dark twisted reality. What other conspiracies need uncovering? How many people need to die before the truth is told?

  • Eats wild animal-gets COVID-19-pandemic-global shutdown

    Uses non stick pan-drinks water-wears clothing-buys carpets-gets cancer-finds DuPont responsible-Forbes top 500

    That’s the world we live in now

  • Randy. Blacklight has a light abrasive in it. There is a great 3rd party review where it was used with a gray pad on a super high end car as an all in one. I don’t have the link handy as I’m on my phone but the reviewer doesnt let a car out of his shop without a blacklight application. (Chemical guys may have a link to the review too if I remember correctly)

  • And etorphine thats my Favoriten because it s 3000 time as potent as morphine and Kills complete painless
    The perfect suicide drug.
    .maitotoxin 1 that s the strongest non proteinic poison known so far

  • At least your country has regulations on chemicals. My country, India the term didn’t even exist until now. Only now they’re planning to draft a bill on this matter ����

  • Still not as deadly as listening to someone talk non stop about something you don’t care about and isn’t relevant to the task at hand.

  • Randy. Blacklight has a light abrasive in it. There is a great 3rd party review where it was used with a gray pad on a super high end car as an all in one. I don’t have the link handy as I’m on my phone but the reviewer doesnt let a car out of his shop without a blacklight application. (Chemical guys may have a link to the review too if I remember correctly)

  • I don’t get the clique fan base but I love these guys music. This song sometimes speaks to my soul. Also, is mental health political? Like I know nobody wants to alienate themselves for fear of betrayal from those we love but would the betrayal be so blatant if one were thinking but never told anybody what one thought?

  • I worked with scientists, engineers, and biologists. Believe me, they are one of the STUPIDEST people on the planet! The mistakes they make, and still publish these findings floors me! Even when I call them on it, ‘it was sent out…’ ‘Are you kidding me!’ I never completely trust everything they do or say. That is why they cannot find a solution to the problems affecting mankind; they are clueless! I know the answer to things most of them are just finding out, shocking isn’t it! I simply laughed and say, to myself, told you, you were very incorrect in telling people all those clap-traps. And don’t get me started on palaeontologists. That is a whole new avenue of false information, to explore regarding them!

  • Please don’t kill me but, if I paid good attention in chemistry class, polyfluoroalkyl molecules don’t degrade nor react with anything, also not in your body? (Hence “forever chemicals”)

  • POOR WATER QUALITY Blame DEMOCRAPS: Failure to Institute and Enforce Water Quality and other Environmental Policies +Neglect -lack of regulation and Environmental Testing..

  • The only thing I’ve ever seen you do that was worthwhile. Not a fan of yours you’re a big ugly Trump hater. But you just out in some ugly deep state information to the general public. What was your motive what are you up to? Trump 2020 for the win

  • Why don’t they get to the root of the problem and find out what’s causing the contamination and deal with it starting there? They should also start filtering and cleaning up the water and also filtering plants where water’s collected. Of course filtering your own water at home helps, but filters can be expensive depending on how often you must change your filter

  • This is why I I only drink river water from the river�� I’m trying to get all those minerals�� the Browner the water the more minerals it has

  • We can’t blame them for what they put on the shelves. Since when did we all become entitled to convenience? Stop relying on the government to whip companies into shape, and just boycott the damn things. Resort to primitive and natural solutions if you really cared about your health and the environment.

    Also, we can’t Bitch about the environment if we ourselves go on a run to McDonald’s when we get the midnight munchies. That’s just hypocrisy and lack of discipline. Don’t join the change movements when you can’t handle change yourself.

  • Watch the movie Dark Waters and toss those non stick pans out. Teflon is a cancer causing poison.

  • Bernie Sanders says he’d set federal standards for PFAS in drinking water

  • What will the happen after this report nothing at all. Brita will do nothing. It actually makes water more acidic and less alkaline.