Effects Of Air Pollution On Human Health Essay Example

When people think of air pollution, most immediately picture heavy smog drifting over cities and industrial plants.

This is the first and most evident form of air pollution, but it’s not the only one.

Let’s begin today’s discussion by defining the term air pollution at a broader level. Air pollution in its most basic definition is the introduction of harmful substances into the Earth’s atmosphere.

These substances linger and cause many adverse effects. As you know, humans and other living creatures rely on the atmosphere for respiration. When air quality is dampened by pollution, immediate and longer term consequences take place.

Pollution has been known to cause allergies, disease, damage to crops, and in extreme cases, even death.

In addition, air pollution creates an imbalance in the natural gases that make up our Earth’s atmosphere. These imbalances slowly aid in the depletion of the Ozone layer, an essential region of the stratosphere that soaks up most of the sun’s damaging ultraviolet (UV) rays.

As the Ozone depletes, the rate of global warming increases. If enough air pollution clutters our environment, it creates the danger of more rapid deterioration of the Ozone layer.

You can see the trouble this may cause.

It’s important that we, as citizens of the world, fully understand the causes, effects, and possible solutions of air pollution so that we can make an educated decision for Earth’s future.

Causes

There are many causes of air pollution. For sanity’s sake, we’ve done our best to categorize them at a more general level.

Before we get into the different causes, let’s take a quick step back and look at the different variations of air pollution.

First, there’s invisible and visible air pollution. The smog you see lingering over a city is a good example of visible pollution.

Invisible pollutants aren’t as noticeable, but they can be just as deadly, if not more so. Examples of invisible pollutants include nitrogen oxides, sulfur dioxide, and carbon monoxide, to name a few.

Carbon monoxide inhaled and introduced into the human blood stream spells trouble if the pollution is a high enough concentration.

Digging down even deeper, air pollution can be split into primary and secondary pollutants.

Primary pollutants, such as sulfur dioxide, are ones directly released into the atmosphere. Secondary pollutants, like smog for example, are the result of primary pollutants intermingling with the already existing particles in the atmosphere.

Without any further ado, let’s get into some specific causes of air pollution.

1. Vehicle Exhaust Fumes.

The number one source of air pollution in city environments is vehicle exhaust fumes, which happen to release high amounts of carbon monoxide. It’s no surprise then that carbon monoxide also happens to be the largest air pollutant in the United States.

Millions of vehicles are operated on a daily basis in the US alone, each one leaving its own carbon footprint on the environment. This is why hybrid and fully electric vehicles are making a splash in the automobile marketplace.

People are looking to rely less on fossil fuels to power their cars, leading to less toxic emissions into the environment.

2. Fossil Fuel-Based Power Plants.

In addition to vehicle exhaust pollution, fossil fuels also present a wider scale problem when they’re burned for energy in power plants.

Chemicals like sulfur dioxide are released during the burning process, which travel straight into the atmosphere. These types of pollutants react with water molecules to yield something known as acid rain.

This is one of the reasons that alternative energy sources, such as nuclear, solar, and wind are being explored in greater detail. They tend to release much less pollutants into the environment to produce equivalent amounts of energy.

3. Exhaust from Industrial Plants and Factories.

Similar to exhaust being released from vehicles, heavier machinery located inside big factories and industrial plants also emit pollutants into the air.

Industrial plants can be found pretty much everywhere in the world, so the spreading of air pollution is basically global.

4. Construction and Agricultural Activities.

On a daily basis, dirt and dust is kicked up into the atmosphere from excavating and demolition type construction activities.

Switching the focus to agricultural activities, ammonia is a frequent byproduct that just so happens to be one of the most dangerous gases in our environment.

There are also plenty of nasty chemicals that get placed into the atmosphere from pesticides and fertilizers, which are being used at increasingly higher rates.

5. Natural Causes.

When people think pollution, they almost always blame other people. Let’s not forget that the Earth is one of the biggest polluters itself, though.

Volcanoes, forest fires, and dust storms are nature-born events that dump massive amounts of air pollution into the environment.

It’s often debated that humans don’t come close to volcanoes when it comes to air pollutants, but we’ll leave that for the readers to decide.

6. Household Activities.

Forget about outdoor pollution. What about the pollution that takes place inside our own homes?

Common household chemicals, notably bleach, without proper ventilation is a primary source of indoor air pollution.

Smoking tobacco through the use of cigarettes and cigars also releases toxic pollutants into the air.

It’s often easier to think of outdoor pollution as the primary danger on a wide scale level, but don’t dismiss the little everyday activities that also impact our health.

Effects

Now that we know the culprits of air pollution, let’s start discussing the harmful effects.

There are many different types of effects that air pollutants can cause. For one, there’s the human health factor to consider.

If humans are at risk, then other forms of wildlife and organic creatures are in danger as well.

Then there are the effects on the planet and its atmosphere.

In the paragraphs to follow, we’ll take a closer look at all of air pollution’s effects.

1. Accelerated Global Warming.

This is a green energy discussion, so let’s tackle this one first.

Earlier on, you learned about the Ozone layer and its role in protecting our planet. Air pollution directly accelerates the rate at which global warming happens by depleting the Ozone layer.

Global warming refers to the increased temperatures Earth continues to experience. These higher temperatures lead to the melting of the polar ice caps and icebergs, which elevates sea levels and creates concern for the human race.

2. Human Respiratory and Heart Concerns.

Air pollution is known to cause irritation in the eyes, lungs, nose, and throat. It creates respiratory problems and exacerbates existing conditions such as asthma and emphysema.

When continually exposed to air pollution, humans become at higher risk for cardiovascular disease. Air filled with toxins can have a number of adverse effects on the arteries, and have even been a contributor to heart attacks.

3. Wildlife Endangerment.

Most diseases and conditions that humans are susceptible to, animals are as well. Air pollution creates many of the same issues that humans face.

Heavily polluted areas force inhabitants to seek new homes, which can negatively impact the ecosystem.

Toxic chemicals, which we’ll discuss in the next bullet, also deposit over surfaces of water that can lead to the endangerment of marine life animals.

4. Acid Rain.

When air pollution, specifically sulfur oxides and nitrogen oxides, are released into sky through fossil fuel burning, it creates the phenomenon known as acid rain.

Water, high in the atmosphere, combines with these chemicals and becomes acidic in nature. It then scatters the ground, disguised as normal rainfall.

Acid rain has been known to cause harm to humans and animals alike, and even damage crops.

Solutions

Up until this point, we’ve covered all the bad of air pollution. Now let’s get onto the good.

Well, there’s actually not much good to say for air pollution, but there are a number of positive ways it can be dealt with.

Understanding the causes and effects proves to be important so that we can determine how best to combat it.

Reducing the use of fossil fuel powered automobiles is clearly something that can help. Same with finding unique ways to reduce energy consumption.

Let’s dig a little deeper into common solutions for preventing and minimizing air pollution.

1. Minimize the Use of Fossil Fuel Powered Automobiles.

As a leading contributor to air pollution, it only makes sense that a vehicle-based solution appears first on this list.

One way to do this is by switching to a hybrid vehicle, or better yet, one that runs on fully electric.

Other ways include taking public transportation, carpooling with friends and colleagues, or even riding a bike to your destination.

2. Be Mindful of Energy Consumption.

When you’re leaving home, be sure to turn off the lights, TV, and any other electronic appliances.

Fossil fuel plants are a major cause of air pollutants, and the less energy you need, the less we have to rely on those plants to generate electricity.

This also means turning to energy efficient devices when possible. Fluorescent lightbulbs over the course of their lifespan can reduce energy consumption while adding significant savings to your pocket.

3. Become an Advocate for Clean Energy.

Every day, technology continues to advance that improves the efficiency and cost of clean energy such as solar, wind, and geothermal. These types of energy sources create much less air pollution.

Even nuclear is leaps and bounds better than traditional fossil fuel plants when it comes to air pollution.

Find ways to promote and educate the public on clean energy alternatives. A small contribution goes a long way in the grand scheme of things.

4. Recycle.

Ah, yes. Recycling. Another topic of heated debates. Wherever you stand on the matter, recycling can help reduce air pollution.

Instead of throwing away used containers and material, try reusing them or recycling them to be used again by someone else.

One thing I personally love to do is reuse to-go containers from restaurants as plastic ware for work lunches. This obviously only works with plastic material, not Styrofoam.

Conclusion

We have now discussed the common causes, effects, and solutions for dealing with air pollution.

With air pollutants being such a widespread epidemic, it’s imperative that we come together as Earth’s inhabitants to become part of the solution, instead of continuing to be the problem.

We can make the choice to drive less toxic automobiles. We can choose how much energy we consume on a daily basis. We can also choose to reuse our old materials instead of dumping them into the environment.

Air pollution can have some devastating impacts on our bodies and the planet if left untouched.

What are your thoughts on the situation?

Resources

Featured Image Credit: David Holt @ Flickr

A cause and effect essay is a type of essay that explains why the event or the situation occurs (causes) and the results of its happening (effects).  Writing a cause and effect essay takes students lots efforts cause the main idea of writing such an essay is to examine the reasons and the results of the phenomenon. But as for the structure, a cause and effect essay outline is simple: introduction, body paragraphs, and conclusion. If you are assigned to write a cause and effect essay here is a list of great cause and effect essay topics.

50 BEST IDEAS FOR CAUSE AND EFFECT ESSAY TOPICS

In case you are looking for cause and effect essay examples, you can read the one below.

Air Pollution Poignant Matters

Air pollution refers to a chemical, physical or biological alteration to the atmospheric air. It results whenever harmful gasses, smoke, or dust enters the atmosphere and in turn, hinders the survival of animals and plants as the air contains toxic substances.

The survival of human beings and animals greatly depend on the combination of gasses in the atmosphere; slight disruption of this composition can cause devastating effects on their existence. An imbalance in these atmospheric gasses is known to result in global warming, a great threat to the contemporary world. We cannot underestimate the effects air pollution has on the ozone layer which largely contributes to the existence of organisms on the planet.

Causes of Air Pollution

For the causes of air pollution to be well articulated, it is important to delve into the types of air pollutants. Air pollutants can be caused by secondary and primary sources. If a process directly results to pollution, then this forms the primary source. For instance, factories emit sulfur dioxide which is a primary source of air pollution. Reactions and interactions between primary sources form the secondary pollutant. For instance, the intermingling of primary pollutants forms smog which is a secondary pollutant.

Burning of fossil fuels

The main cause of air pollution is burning of coal, gasoline, petroleum, and other fossil fuels. These fuels are the main cause of acid rain, smog, greenhouse gas emissions, and presence of heavy metals in the air.

Fossil fuels form an important part of the society; they are used in transportation, heating, manufacturing, and even in electricity generation. This makes them an important part of the society making it difficult (but not uncontrollable) to curtail. In modern society, the use of fossil fuels can be made so that its burning becomes efficient, but this comes with a monetary cost. It is important to note that unless alternative cleaner option is found, we will have the future facing the same problems of pollution.

Increased use of motor vehicles, and emission of nitrogen

Vehicles use fuel which sometimes is not completely burnt in the engine; therefore, they release VOCs (Volatile Organic Chemicals) into the air. VOCs and nitrogen are a common source of air pollution.

Decomposition of garbage and solid wastes

Disposal sites containing biodegradable substances are known to emit methane gas into the atmosphere. Methane gas is known to be a harmful gas, it is highly flammable and a potential disaster to the ozone layer. Garbage and other household products release VOCs to the air.

Natural causes

Air pollution can come from natural sources such as dust, wildfires, and volcanic activity. Wildfire is known to emit VOCs and particulates into the atmosphere. Volcanic eruptions spew sulfur dioxide and volcanic ash into the atmosphere. Volcanic ash is usually dumped in the upper atmosphere, and as a result, global temperatures are lowered. However, pollution resulting from natural causes remains in the atmosphere for a short period and does not result in a permanent change as it might be the case with human activity-based pollution.

Effects of Air Pollution

1. Respiratory infections

Air pollution is the leading cause of respiratory diseases. Exposure to air pollutants can cause lung cancer and even asthma. Asthma can lead to death if not well treated, as it might cause difficulty in breathing. A prolonged exposure of pollutants can cause lung cancer.

2. Global warming

The rise in sea level, rising temperature in the world, and the melting of ice glaciers are the evidence for the global warming. Global warming is a direct effect of air pollution in the world. The only way to curb this increasingly destructive menace is to reduce air pollution.

3. Depletion of ozone layer

With the greenhouse effect which is the major contributor of the release of chlorofluorocarbon into the atmosphere has led to the depletion of ozone layer. This layer is important in shielding the earth from the destructive ultraviolet (UV) radiations.

4. Formation of acid rain

Emission of harmful gasses such as sulfur dioxide and nitrogen into the atmosphere lead to the formation of acid rain. It is quite common for rain water to have sulfuric acid due to rampant cases of air pollution in the modern society. Acid rain is a major threat to the aquatic life as well as human beings.

There are carcinogenic substances in the acid rain, and it has devastating effects to even metal which can be observed by the extent of corrosion that often results.

5. Eutrophication

Air pollutants such as nitrogen oxide speed up the growth of algae on the water surface. This growth competes with aquatic life for oxygen, therefore, posing a major threat to fishing. The only way to reduce the devastating effects of air pollution will be to come up with effective ways of reducing air pollution.

Earth’s atmosphere has a self-regulating mechanism that ensures sequestration of carbon among other pollutants. The mechanism works to ensure that the ecosystem is not affected by the changes occurring in the atmosphere. However, if people continue to add more pollutants than the earth is able to remove, then the response will be increased smog, acid rain, global warming and a number of health problems.


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