co2 pollution

Carbon dioxide vs carbon monoxide both are responsible for global warming?

Many harmful pollutants are often highlighted when discussing pollution. Carbon monoxide (CO) and carbon dioxide (CO2) are two examples both contain roughly equal amounts of carbon, yet each affects our environment and health differently. CO2 occurs naturally throughout Earth’s atmosphere while at the same time is essential to life on our planet when breathing out we take in oxygen while exhaling out carbon dioxide into the air. In the process known as the carbon cycle, plants use photosynthesis to take in carbon dioxide and turn it into oxygen. Oxygen is another important factor in life. Though some amount of carbon dioxide is essential, too much can have devastating consequences for both humans and ecosystems excessive emissions from burning fossil fuels or cutting down trees produce greenhouse effects and climate change too much CO2 also makes seas more acidic, which affects marine species carbon monoxide is an even more hazardous gas that poses serious threats to people and animals alike. An incomplete burning process creates it, which usually happens when fuels like gasoline, natural gas, or wood are burned. Carbon monoxide can come from car fumes, broken heating systems, and machines that don’t have enough airflow. One of the most dangerous things about carbon monoxide is that our nerves can’t pick it up. Since it doesn’t have a color, smell, or taste, it is hard to find without fancy tools. When you take in carbon monoxide, it quickly joins to hemoglobin in your blood. This stops oxygen from getting to important tissues as it should. In the worst cases, this can cause death or very bad symptoms like headaches, dizziness, and shortness of breath.

Carbon monoxide or carbon dioxide which is more dangerous?

The answer is Carbon Monoxide. Carbon monoxide (CO) is a gas. It’s created when carbon doesn’t burn fully. You can find it in car exhaust fumes when fuel isn’t burned cleanly too. Carbon monoxide can come from stoves, heaters, and car exhaust systems, among other things. So are charcoal grills, space heaters, portable generators, and anything else containing a car engine. With that said, we inhale carbon monoxide every day without any issues. Likewise, if there’s too much CO in one place that’s enclosed and poorly ventilated like a garage, it’s bad news bears. Inhaling high amounts of carbon monoxide can be fatal and you need to get medical help immediately. Carbon monoxide poisoning usually exhibits the following symptoms:

  • Weakness
  • Nausea
  • Dull headache
  • Vomiting
  • Dizziness
  • Confusion
  • Difficulty with breathing

The primary risk factor for carbon monoxide poisoning is exposure to the gas. Your risk increases if:

  1. You spend a lot of time near a fireplace, gas stove, space heater, or furnace.
  2. You spend too much time next to an idling car inside a closed garage.
  3. You live inside a recreational vehicle with heaters powered by gas.

Blood samples can be used to diagnose carbon monoxide poisoning. When measuring levels of the gas in your bloodstream, values of 70 parts per million (ppm) or greater indicate poisoning. You will seek treatment immediately at a hospital if your symptoms indicate carbon monoxide exposure otherwise simply breathing pure air may suffice as treatment alternatively wearing an oxygen mask and inhaling pure oxygen can replace carbon monoxide from your system with the element needed by replacing it with pure oxygen in extreme cases, you might even require going to hyperbaric oxygen rooms which force two times higher pressure of normal air pressure oxygen pressure levels than normal air pressure.

What does carbon monoxide smell like?

Carbon monoxide is a sneaky killer. Many people die every year from it and thousands get sick, but you can’t see, smell, or taste it. Babies who sleep in rooms heated by broken heaters and cars that are left running in garages that are closed are the most at risk. A gas called carbon monoxide is made when any kind of fuel is burned, like charcoal, wood, or gasoline. It can even come from an oven with the door ajar if you accidentally turn on the broiler instead of baking. If your home doesn’t have carbon monoxide detectors already installed, get some now and put one on every floor — especially near bedrooms so they’ll wake you up at night if something goes wrong while you’re sleeping. When buying a new detector, check the label to make sure they’re certified by UL (formerly Underwriters Laboratory), CSA Group, or Intertek, which test to safety standards set by an organization called ANSI/Listed. 

symptoms of carbon monoxide poisoning
Credit Wayne Alarm

Carbon dioxide structure

In here we will also know why carbon dioxide is a gas. Carbon dioxide structure stands in Lew’s structure. Carbon dioxide is a non-metallic molecular compound made up of carbon and oxygen. To understand its chemical properties and behavior, one thing you must know is its Lewis structure. This gives you a visual representation of how atoms are arranged as well as the distribution of valence electrons in a molecule. These electrons are at the very top level of an atom’s energy, and they are very important for chemistry bonds. Since both carbon and oxygen are essential to this process, I’ll give you a breakdown of their respective groups on the periodic table. Carbon sits in group 14 and brings four valence electrons while oxygen takes up space in group 16 with six valence electrons. Let’s begin constructing the Lewis structure of carbon dioxide,

  1. Place a carbon atom in the center of the structure.
  2. Add two oxygen atoms, one on either side of the carbon atom.
Carbon-dioxide

Follow these steps to complete the Lewis structure of carbon dioxide:

  1. Bond the central carbon atom to the outer oxygen atoms. This bond formation is essential to create a stable molecule.
  2. Fill the octet on the outer oxygen atoms. Each oxygen atom already has two electrons, so we need to add six more to achieve an octet. Fill the remaining six slots with electrons: three, four, five, six, seven, and eight.
  3. Verify the number of electrons used. In this case, we have already utilized 16 electrons, which is the total valence electron count for carbon dioxide.
  4. Complete the octet on the central carbon atom. According to the octet rule, carbon needs eight electrons around it. Anyway, it currently only has four.
  5. For the carbon octet, we can make a double bond by moving two electrons from one of the oxygen atoms. It’s now possible for these two electrons to help both oxygen and carbon.
  6. Repeat the previous step for the other oxygen atom as well.

Carbon Dioxide has a final Lewis structure that contains carbon being double bonded to two separate oxygen atoms. On top of that, each oxygen atom has two pairs of free electrons. The VSEPR notation of Carbon Dioxide is AX2, this means that there is 1 central atom that’s surrounded by 2 other atoms and no lone pairs. Having this arrangement results in the molecule having a linear geometry which leads to it having a bond angle of exactly 180 degrees. Understanding how carbon dioxide is structured helps you understand why it has its chemical properties and also why the gas form stays together as it does. We tried to ease the matter for our readers so that everyone could understand the structure. 

Importance of carbon dioxide to humans

When it comes to breathing, most of us only care about oxygen. But carbon dioxide can be just as crucial to our bodies. In this blog, we’ll dive into why that is, and how important it is to keep balanced levels of this gas in our system. Despite what you might think, carbon dioxide isn’t just waste it helps run a lot of functions within the human body. One of those functions is influencing blood circulation and oxygen delivery. The air we take in makes the amount of carbon dioxide in our blood rise. And that right there determines the partial pressure of carbon dioxide in your body, which then goes on to help balance your blood pH. When we breathe hard and fast, we get rid of too much carbon dioxide in our blood through our lungs. This causes the blood vessels to narrow, which limits oxygen delivery to our body’s tissues. It also makes it harder for hemoglobin, the protein in red blood cells that carries oxygen, to let go of that oxygen. In turn, this stops oxygen from getting to cells, which lowers your body’s supply. It is a commonly held belief that breathing more equals more oxygen throughout your body, but breathing in excessive amounts relative to our metabolic needs does the opposite. Hyperventilation will narrow those blood vessels even more, further limiting oxygen flow. But why does all this happen? The human body always wants homeostasis or equilibrium balance is what it’s constantly seeking. Carbon Dioxide is significant in maintaining this state by regulating bodily functions and isn’t just some waste gas.

What best describes the association between the carbon cycle, plants, and animals?

The carbon cycle is an indispensable element of Earth’s life support system, moving carbon between our atmosphere, plants, animals, and Earth’s surface. Understanding this cycle is integral to comprehending life on our planet.

carbon cycle
Credit Kids Gardening

In the carbon cycle, plants play a central role by absorbing carbon dioxide from the air. Through a process called photosynthesis, plants take in carbon dioxide and sunshine and give off oxygen and sugar. By inhaling some of this, they become big and release oxygen which is needed for survival by human beings. While growing, plants also emit back certain amounts of carbon to the atmosphere. Nonetheless, not all of the emitted carbon would be released instantly into the atmosphere by the plant life. Anytime these plants die some of their lifetime-stored carbon stays in decomposing bodies that later enrich the soil. Humans are among animals playing a key part in carbon cycling as well as other organisms. When herbivorous animals eat plant materials, it gives them energy but they exhale CO2 during the breathing process. Their decaying bodies merge with an organic placement that exists on topsoil thus storing carbon in turn while they decay. Not just animals, the ocean is in this equation too. When looking at the carbon cycle it’s very clear the ocean plays a huge role.

Coral and plankton need carbon from water to live. The ocean absorbs carbon from the atmosphere which replenishes its supply of it, and rainfall helps by picking up carbon from the air as well as rocks while flowing into the ocean. Over enough time some of that carbon gets stuck in the ground like when dead organisms decompose and turn into rock. Deep within the earth rock melts to release trapped carbons back into the air through volcanic eruptions. Although sometimes dead plants and animals do not decay fast enough to become rock, instead they turn into oil, coal, or natural gas which locks them underground. These are called fossil fuels which are used for energy production. With human activities, there has been a disruption in this cycle which was once balanced perfectly fine before we came along and started messing things up. Burning fossil fuels like coal, oil, and natural gas releases large amounts of CO2 trapping heat inside our atmosphere and leading to global warming which causes ecological damage and climate change. Recognizing there needs to be an immediate response scientists have proposed several strategies to try solving this issue by mitigating disrupting nature’s balance with more plant life for example by reducing deforestation and adopting sustainable agricultural practices that restore grasslands so more carbon can be absorbed back into the atmosphere but it doesn’t just stop there if anything there have to be many different plans combined such as reducing CO2 emissions, reforestation, investing in new carbon capture technologies because only then will we have a chance at restoring balance in this system.

10 uses of Carbon dioxide

Diamonds, bubbles in beer, trees, and graphene. What do they have in common? They are all made from carbon. Carbon dioxide (CO2) is the most common form of carbon found in the air. In recent years we have seen a wave of carbon-utilising technologies emerge to demonstrate its potential as a valuable resource. From diamonds to booze and protein shakes, scientists and innovators are trying to find a use for CO2. Elon Musk’s foundation has put up millions in prizes for innovative solutions that can extract carbon dioxide directly from air or limestone. But with so many options it is hard to know what will work at scale. Dr Jessica Allen is a senior lecturer at the University of Newcastle, where she has worked on how we could ultimately use CO2 for more than 10 years. I asked her about the different methods people had come up with so far, what exactly those methods entailed, and how likely she thought each one was to be used on a large scale once the technology was refined enough.

  1. The technology behind carbon capture and storage has been in the spotlight. This is where carbon dioxide is stored deep underground after it’s captured. But most of the CCS we see is put into enhanced oil recovery, where CO2 is injected into oil reservoirs to extract more oil. By burning that extra oil, more CO2 is released than was stored underground in the first place, so it’s not exactly carbon neutral at all. So how do we achieve a net-zero future? Well, if you want to store carbon without releasing even more of it into the atmosphere then look no further than CCU.
  2. Protein, Carbon Nanofibers, and Carbonated Beverages. These are just a few of the trendy uses for carbon dioxide. They’ve all gotten a lotta attention. But their ability to remove it from the environment is small.
  3. CO2 Fuels, Burning carbon dioxide to make fuel is a common plan for people. Turning carbon dioxide into something useful is a major goal of scientists. If you want to get the most out of CO2, you can use it to make syngas. This is done by combining gases like carbon monoxide with others.
  4. The production of methanol, a component in durable items like plastic, can be done through carbon dioxide and hydrogen. When you capture and use CO2 instead of traditional methods to create methanol, it becomes more sustainable.
  5. Mineral Carbonation sounds like something from a sci-fi movie. This method uses minerals and waste streams to convert carbon dioxide into stable carbonate compounds. Doing so creates long-term carbon storage.
  6. Biochar is produced by pyrolysis, a method where biomass is superheated without oxygen to make carbon-rich material. Making biochar allows us to stabilize carbon and offset emissions of carbon dioxide. Once in the soil, it can help make it rich in carbon benefiting agriculture.
  7. Refrigerant and Coolant, CO2 is used in cooling systems due to how cold it can get. In its solid form, dry ice is used to keep food fresh when shipped.
  8. Agriculture, It is used in greenhouses to enrich the air with CO2, optimizing plant growth through and enhanced photosynthesis.
  9. Metalworking and Petroleum Industry, CO2 has applications in metalworking for its anti-corrosive features and in the petroleum industry to optimize oil well yields.
  10. In healthcare, CO2 is used in medical applications, such as stimulating respiration in medical treatments and as a refrigerant for preserving medicines during transport.

Carbon dioxide fire extinguisher  

Fire extinguishers are pieces of equipment that manage things or remove small fires in emergency situations. They come in several types: water, foam, dry powder, wet chemicals, and carbon dioxide (CO2). Each kind of fire distinguisher is useful for different kinds of fires depending on the fuel source and the space.

fire extinguishers

 

How do carbon dioxide fire extinguishers work? Carbon dioxide fire extinguishers work by expelling CO2 gas stored as a liquid under high pressure within their containment tank, when activated via their handle squeeze, it quickly escapes through an outlet that ends in a distinctive black horn nozzle and displaces oxygen, an essential ingredient for combustion that must remain present to sustain any flame. Without oxygen the fire cannot continue burning, thus extinguishing itself and further decreasing its chances of reigniting itself. CO2 can also lower temperatures on fires which reduce chances of reigniting.

Why are carbon dioxide fire extinguishers effective? Carbon Dioxide fire extinguishers are good for two very important types of fires. Which is electrical and flammable liquid fires. These are also called Class B and Class C fires. Electrical fires happen when something like wiring or a circuit gets damaged or overloaded, you know that smell after you unplug a phone charger? That’s because the cord has been overused and it’s kind of frying. Flammable liquid fires can be easier to distinguish, we’ve all seen the flamethrower movies where someone lights up a gas station with one match well these are caused by fuels such as diesel, petrol, paint, or any solvents. Fires like this cannot be stopped with water because they’ll only make it worse. Carbon dioxide fire extinguishers don’t carry electricity so there isn’t an electric shock hazard either. The best part is that they’re safe for the environment.

What are some of the advantages and disadvantages of using carbon dioxide fire extinguishers? Carbon dioxide fire extinguishers have numerous advantages, one being their non-stick properties and lack of residue buildup after use. This allows them to cause no mess or damage in their surroundings and require no cleanup afterward, making them especially advantageous in environments like offices, shops, schools, or hospitals where there may be numerous electrical devices or equipment present.

Carbon dioxide fire extinguishers offer many advantages in terms of user and maintenance ease, including no special training or skills being required to use or service it, with service needs reduced compared to other forms of extinguishers. Unfortunately, carbon dioxide extinguishers do have their own set of downsides and limitations that should be taken into consideration one being cold burn risks when holding them by their horn or touching their gas. CO2 can cause frostbite or skin damage if in contact with skin so wearing gloves and not touching its horn is strongly advised when operating or servicing carbon dioxide fire extinguishers.
Another drawback of opting for a carbon dioxide fire extinguisher is that they are not as environmentally friendly as other types of them. CO2 is a greenhouse gas that has been known to cause global warming and climate change. Though the amount released by an extinguisher really isn’t all too much, it does add to the worldwide footprint when put together in large numbers, so it should be dealt with using extreme caution to minimize the damage done.

Carbon dioxide fire extinguishers have another drawback in that they’re not effective against all forms of fires. They don’t adequately cool down flammable solids like wood, paper, and textiles to avoid re-ignition and are ineffective against chip pan fires where cooking oils or fats may splatter out and spread the fire – for which more specific solutions like water, foam, dry powder or wet chemicals would be more suitable. Carbon dioxide fire extinguishers are effective tools that can quickly extinguish electrical and liquid fires. Their operation relies on displacing oxygen from the fire while simultaneously cooling its temperature down, making them easy to use without harming equipment or the environment.

How do humans produce carbon dioxide?

One of the main ways that humans produce CO2 is through respiration, which is the process of breaking down food molecules to release energy. Respiration occurs in every cell of the human body, and it involves three main steps: glycolysis, the Krebs cycle, and the electron transport chain. In these steps, glucose (a simple sugar) and oxygen (O2) are converted into CO2, water (H2O), and adenosine triphosphate (ATP), which is the energy currency of the cell. The overall equation for respiration is:

C6​H12​O6​+6O2​→6CO2​+6H2​O+ATP

This means that for every molecule of glucose that is oxidized, six molecules of CO2 are produced. The CO2 then diffuses from the cells into the blood, where it is carried by hemoglobin (a protein in red blood cells) or dissolved in plasma (the liquid part of blood). The CO2 is then transported to the lungs, where it is exhaled out of the body. According to Science ABC, an average human produces about 733 grams of CO2 per day through respiration, assuming that they consume 2000 kilocalories of food. This amount may vary depending on the type and amount of food, the level of physical activity, and the metabolic rate of the person. 

carbon di oxide effects in human body
Credit CK 12

How do humans produce CO2 through other activities? Carbon dioxide emissions are produced when people burn solid fuels like coal, oil, and natural gas for different purposes. Our fossil fuels come from ancient remains of plants and animals buried under layers of silt that were heated to high temperatures until carbon and hydrogen bonds interlock with one another to form hydrocarbon compounds containing various combinations of carbon atoms bound together by bonds when fossil fuels are burned they release CO2, water as well as potentially toxic nitrogen oxides sulfur dioxide or particulate matter into the environment – how much CO2 emissions depends on both factors along with what type and amount of solid fuel is consumed/used/burned/how well it burnt/when done so.

Why is too much CO2 bad for the environment? CO2 is a greenhouse gas, which means that it traps heat in the atmosphere and prevents it from escaping into space. This causes the Earth’s temperature to rise, which is known as global warming. Global warming leads to climate change, which is the alteration of the Earth’s weather patterns, such as precipitation, wind, and seasons. Some of the negative effects of climate change are:

  1. The melting of ice caps and glaciers causes sea level rise and coastal flooding.
  2. Changes in precipitation and droughts affect water availability and crop production.
  3. Extreme weather events, such as heat waves, storms, hurricanes, and wildfires, cause damage and displacement.
  4. Loss of biodiversity and habitats, which threaten the survival of many species of plants and animals.
  5. Spread of diseases and pests, which affect human and animal health.
  6. Social and economic impacts, such as conflicts, migration, poverty, and inequality.

People emit CO2 into the air by breathing and doing things like driving their cars. This, in turn, causes a greenhouse effect that leads to global warming. Causing things like climate change and other negative impacts. If we want to reduce this problem we can use renewable energy instead of fossil fuels, make changes in our lifestyles, and plant trees.

Largest natural sources of CO2

Carbon dioxide (CO2) is a gas that’s always present in the air. As part of its natural cycle, CO2 moves between air, land, and sea environments where living things exist and through living organisms themselves. But thanks to human actions and climate change-causing emissions of greenhouse gases from cars and industry alike, global temperatures continue to climb at record pace, leading to climate change and global warming. We will cover some major natural sources of CO2 production that impact environmental sustainability here. 

What are the natural sources of CO2? 

According to What’s Your Impact, there are three main natural sources of CO2 emissions: decomposition, ocean release, and respiration.

  • Decomposition: Molds, bacteria, and other germs decompose organic matter such as dead plants and animals into decomposing bacteria that release CO2, methane, and nitrous oxide into the air when things break down – every year approximately 220 billion tonnes of CO2 is released as this occurs.
  • Ocean release: Ocean Release refers to the process by which CO2 emissions from oceans into the atmosphere are released. Oceans contain large amounts of dissolved carbon dioxide which is affected by factors like temperature, salinity, and biological activity – when warm waters warm further they release more CO2, while cooling waters absorb it further – this annual release totals some 332 billion tonnes of carbon emissions.
  • Respiration: Living organisms, including plants, animals, and humans, use oxygen to produce energy from food through a process called respiration. Respiration returns CO2 into the air as one of its byproducts. We’re looking at around 220 billion tonnes of carbon emissions as a result of respiration every year.
natural sources of carbon di oxide
Credit ResearchGate

How do natural sources of CO2 affect the environment? 

The carbon cycle and its impact on CO2 is a very fragile system. It’s amazing how consistent the levels are. Nature has its way of balancing everything out, we just really messed it up. Natural sources that release carbon into the atmosphere are balanced out by sinks such as plants, soils, and seas, which absorb nearly equivalent amounts to keep the levels low. But we took a massive crap on this equilibrium. Human activities have caused large spikes in our carbon levels by adding more than these drains can handle. Annually human activities account for 36 billion tons of CO2 released with natural causes being dwarves in comparison. This has caused an increase from 280 parts per million before industrialization to 415 by 2020.

We are at the Ending

For this blog, we are now at the end. But Our most researched, Enhanced, and Experimental writing on Carbon Dioxide will be published soon. 

Till then be with us