英语九年级全一册第十三单元作文大气污染

英语九年级全一册第十三单元作文大气污染
全文共6篇示例，供读者参考
篇1
Air Pollution is Such a Bummer! (By a 9th Grader)
Ugh, air pollution is the worst! It's like Mother Nature has a really bad cold and the air is all gunked up with nasty stuff. You know how it is when you're sick and you blow your nose into a tissue? Well, that's basically what the air is like when it's polluted - full of gross particles and chemicals that shouldn't be there.
I feel bad for the air having to put up with so much nonsense from us humans. We're constantly choking it up with fumes from factories, exhaust from cars and buses, smoke from fires, and all kinds of other icky things. No wonder the air gets so irritated and cranky sometimes!
My science teacher says there are different types of air pollution. Particulate matter is one of the main offenders. That refers to the tiny solid particles and liquid droplets floating around that we end up breathing in. Things like dust, dirt, smoke, and soot are all particulate matter. When I think about breathing in that stuff, I want to go "Ewwww!" It's no wonder people with
asthma and other respiratory problems have such a hard time with polluted air.
Then you've got the gaseous air pollutants like nitrogen oxides, sulfur dioxide, ozone, and carbon monoxide. Those don't sound very appealing either. Nitrogen oxides are created during combustion, like when fuels are burned in power plants or car engines. Sulfur dioxide comes from burning fossil fuels that contain sulfur. Ozone is good up high in the ozone layer, but not so great down at ground level where we breathe it in. And carbon monoxide is just plain toxicity released from incomplete combustion.
When all these pollutants build up, they create smog - you know, that ugly brown cloud that hovers over cities sometimes. It's like the air is wearing a thick, dirty sweater. No thanks, air! You look better without the smog sweater. Plus, breathing in smog has been linked to heart and lung problems, so it's not just an eyesore.
Acid rain is another super fun consequence of air pollution. When moisture in the air combines with nitrogen oxides and sulfur dioxide, it creates sulfuric and nitric acids. Then this acid rain falls from the sky, harming plants, animals, buildings, you name it. If I was a plant, I wouldn't appreciate having acid rain
poured all over me! No wonder trees and other vegetation look so sickly in polluted areas.
Of course, humans have to take responsibility for our role in this mess. We're the ones running the factories, driving the
gas-guzzling cars, burning excessive fossil fuels, and generally treating the air like our personal dumpster. It's not cool and it's not sustainable. We need to wake up and realize that clean air is essential for, you know, respirating and staying alive!
There are things we can do though to help clear the air. More renewable energy like solar and wind would reduce emissions from burning fossil fuels. Public transportation, walking, biking, or driving electric cars cuts back on exhaust fumes. Planting more trees gives us additional air filters. On an individual level, reduce, reuse, recycle! Every little bit makes a difference.
At the rate we're going though, future generations might need to wear gas masks all the time just to breathe safely. How crazy is that?? Imagine showing up to school in a gas mask and hazmat suit. "Hey Timmy, nice respirator! Radical look for third period algebra." No thanks, I'll pass on the apocalyptic style and just try to be part of the solution instead of the pollution.
We've got to show some love and respect for the air around us. After all, we need it to live and it doesn't ask for much in return. The air is always there for us, letting us exhale our bad breath and farts without complaining. The least we can do is stop overwhelming it with noxious chemicals! Let's start changing our ways and cleaning up our act. The air will appreciate it, and our kids will appreciate being able to breathe easily too.
So yeah, that's my rant about air pollution for today. Thanks for listening! I need to go outside for some fresh air now...or as fresh as it can be in this polluted world. Maybe I'll take a Hazmat suit just in case! Peace out, atmospheric friends!
篇2
Air Pollution is Really Bad and Gross
Air pollution is a huge problem that's really gross and unhealthy. It's caused by things like factories, cars, and power plants releasing yucky chemicals and particles into the air we breathe. Ugh, I can't even imagine having to smell that nasty stuff all day!
The biggest culprit is probably vehicle emissions from cars, buses, and trucks. They burn gasoline or diesel fuel which releases carbon monoxide, nitrogen oxides, particulate matter,
and other stinky fumes. Just thinking about having to breathe in all those icky exhaust fumes makes me feel sick. How do people living in big cities with tons of traffic even survive?
Then you've got industrial facilities like factories, refineries, and power plants. They burn coal, oil, and gases to produce energy, but that lets out sulfur dioxide, carbon monoxide, and loads of other gross pollutants. Those giant smoke stacks just constantly pump out thick, black clouds of smog. No thanks, I'll pass on living next to one of those!
Speaking of smoke, fires are another major source of air pollution too. Wildfires send up huge plumes of carbon monoxide, particulates, and who knows what else. But indoor fires for heating or cooking with wood or coal are just as bad when there's no ventilation. I'm definitely not trying to inhale any of that sooty air if I can avoid it.
Anyway, breathing in all those pollutants is really unhealthy and can cause tons of scary illnesses. Particulate matter can get lodged deep in your lungs and potentially cause cancer down the road. Sulfur dioxide can make asthma or bronchitis way worse. Nitrogen oxides inflame the linings of your lungs. Carbon monoxide limits how much oxygen your blood can carry.
Honestly, the list of health risks from air pollution goes on and on - it's straight up terrifying if you think about it too much!
And that's not even getting into the other major effects of air pollution, like acid rain, the depletion of the ozone layer allowing in more UV radiation, smog blocking out sunlight, and contributing to global warming. It's just an all-around disaster for the environment and human health.
So what can be done about this smoggy situation? Well, countries need to regulate emissions from vehicles and industries with strict standards. Things like requiring catalytic converters on cars, putting filters on smokestacks, switching to cleaner energy sources than coal, and levying taxes or fees on major polluters. Individuals can also do their part by driving less, using public transportation, conserving energy at home, and being aware of everyday activities that contribute to air pollution.
At the end of the day though, fixing this air pollution crisis needs to be a huge, unified global effort. Nasty smog doesn't respect national borders - it impacts everyone and everything. We all need to work together to reduce emissions and clean up the air before the health and environmental effects get even
more outrageously bad than they already are. Nobody wants to breathe dirty, polluted air - it's just plain gross!
篇3
Air Pollution is Really Yucky!
Hi friends! Today I want to talk about something super important - air pollution. It's a huge problem that makes the air we breathe really gross and unhealthy. Let me tell you all about it!
First of all, what even is air pollution? It's basically when there are too many smelly, bad things mixed into the air we breathe. Things like smoke, gases, and tiny particles that come from factories, cars, fires, and even some household products. All that yukky stuff gets trapped in the air around us instead of going away.
And let me tell you, air pollution is no joke! It can make you feel really sick if you breathe in too much of it. It can give you a nasty cough, make your eyes and nose burn, and even make it hard to breathe properly. No fun at all! But that's not the worst part.
The worst part is that breathing in too much pollution over time can give you serious diseases like lung cancer, heart disease, and other scary illnesses. It's especially bad for little kids because their bodies are still growing. So we have to be super careful about dirty air!
But why is there so much air pollution in the first place? Well, there are a few main causes. One biggie is factories and power plants that burn coal and other fossil fuels. All that smoke gets released into the air and makes it super polluted. Things like cars, trucks, trains, and airplanes also release a ton of exhaust and gases that dirty up the air too.
Another major cause is something you might not expect - farming! Believe it or not, some farm activities like spreading fertilizers and pesticides on crops releases pollution particles into the air. And then there's indoor air pollution from things like cigarette smoke, harsh cleaners, and even some furniture that releases gases over time. Gross!
So where is air pollution worst? You might be surprised to learn that some of the most polluted cities in the world are in places like India, Pakistan, and China. That's because they have lots of factories, cars, and people all packed together making
tons of pollution. But even cities in the United States have problems with smog and dirty air too.
All this pollution isn't just bad for our health though. It's also really harmful to the environment and animals too. Pollution can make lakes, rivers, and oceans toxic for fish and other water creatures. It damages trees, plants, and crops which really messes up the food chain. Acid rain caused by pollution can even corrode and damage buildings and historic monuments over time. What a disaster!
But don't lose hope yet! There are lots of things we can do to reduce air pollution and make the world a cleaner, healthier place:
• Use less electricity from polluting power plants by turning off lights and unplugging devices when not in use
• Walk, bike, or take public transportation instead of driving a gas car
• Recycle and reuse items instead of burning them
• Conserve energy and resources at home
• Avoid using harsh chemical c leaners and aerosol sprays
• Plant trees which absorb carbon dioxide and release oxygen
• Support businesses that use renewable energy like solar and wind
• Spread awareness about air pollution so others understand the issue
If we all work together and make an effort, we really can cut down on air pollution! Imagine how awesome it would be to have crisp, fresh air everywhere we go. No more coughing, stinging eyes, or struggling to breathe. Just healthy, clean air for all.
I sure hope countries, leaders, and companies start taking this issue seriously before it's too late. The future of the planet and the air we breathe depends on it! I'll do my part by recycling, saving energy, and telling everyone about this problem. Who's with me?
Air pollution might seem like a huge, complicated issue. But when you break it down, it's actually pretty simple. We just need to be way more careful about what we're releasing into the atmosphere. A few small changes can make a huge difference if we all work together. Easy peasy!
So let's get out there and start cleaning up the air one step at a time. The earth - and our lungs - will thank us. No more polluted air! A fresher, healthier world is possible if we want it enough. Let's make it happen, friends!
篇4
Air Pollution is Really Gross and Stinky!
Air pollution is a huge problem these days and it's really yucky! There's smog and soot and tons of nasty chemicals in the air we breathe. It makes me cough and my eyes water sometimes. It's just so gross!
There are a few main causes of air pollution that I want to talk about. One biggie is vehicle emissions from cars, trucks, buses, and other vehicles that burn gasoline or diesel fuel. All those exhausts from the tailpipes contain particles and gases that pollute the air. Things like carbon monoxide, nitrogen oxides, and particulate matter get released. Particulate matter is basically just really tiny pieces of solid or liquids suspended in the air. It sounds pretty grody when you think about breathing that stuff in!
Another major source of pollution is industrial activities like manufacturing, construction, and burning of fossil fuels from
power plants. Factories release tons of chemicals and particles into the air through their smokestacks and vents. Things get made by burning fuels or undergoing chemical processes, and all the byproducts get released outside. Power plants burn coal or natural gas to produce electricity, but that burning process creates air pollution too. It's crazy how much pollution comes from just making the electricity to power our homes and businesses!
Speaking of homes, did you know that even household activities contribute to air pollution? Things like using aerosol sprays, painting, and burning wood, coal, or natural gas for heating and cooking all pollute the indoor air that we breathe inside our houses. My parents always yell at me for spraying too much body spray or air freshener because it's bad for the air quality. I guess they have a point!
Air pollution is really bad for our health and the environment in so many ways. It can cause respiratory problems like asthma or make existing conditions worse. All those chemicals in the air are toxic and can damage our lungs, hearts, and other organs over time. It's also been linked to higher risks of cancer, which is totally scary. For the environment, air pollution leads to smog,
acid rain, the depletion of the ozone layer, and contributes to climate change and global warming. How messed up is that?
The effects of air pollution really freak me out. Smog is like this ugly haze of pollutants in the air that can be seen hanging over cities. It's hard to breathe that stuff in and it looks so depressing and gloomy. Acid rain happens when some pollutants like sulfur dioxide and nitrogen oxides react with water molecules in the atmosphere to produce acidic rain, snow, fog or other precipitation. This acid rain can damage trees, crops, buildings, and pollute waters like lakes and streams. The ozone layer high up in the atmosphere protects us from a lot of the sun's harmful ultraviolet radiation, but chemicals like chlorofluorocarbons (CFCs) can deplete and thin out this protective ozone layer when they get released into the air. This lets through more cancer-causing UV rays which leads to higher skin cancer rates and other issues.
Probably the scariest effect of air pollution is how it contributes to global climate change and global warming. When certain air pollutants like carbon dioxide, methane, nitrous oxide and other greenhouse gases build up too much in the atmosphere, they absorb and trap more heat from the sun's radiation. This causes overall global temperatures to rise which
leads to melting glaciers and ice caps, rising sea levels, changed weather patterns with more extreme storms, droughts, heatwaves and all sorts of problems. Climate change is a huge deal and we've got to do something about the air pollution causing it before the Earth gets even more messed up!
So what can we do to reduce air pollution? Well, we definitely need stricter regulations from governments to limit emissions from vehicles and industrial activities. We should transition to more renewable energy sources like solar, wind and hydroelectric instead of burning fossil fuels that pollute the air. People can drive less, use public transportation more, and buy electric or hybrid vehicles that don't give off as many emissions. At home, we should conserve energy, use
environmentally-friendly products without aerosols, and avoid burning materials for heating that create indoor air pollution.
Air pollution is no joke - it's a major threat to human health and the whole planet. I really hope people start taking it more seriously and make changes to reduce pollutants being pumped into the atmosphere constantly. Nobody wants to breathe in gross contaminated air or live in an polluted world that's getting hotter and more messed up every year due to climate change caused by air pollution. We've got to work together to solve this
problem and have clean air again before it's too late! The future of the Earth is kind of riding on it.
篇5
Air Pollution is Really Bad!
Hi there! My name is Tommy and I'm going to tell you all about air pollution. It's a super serious problem that makes the air we breathe yucky and dirty. Let me explain why it's so bad and what we can do about it.
First of all, what even is air pollution? It's basically when there are too many bad things in the air that shouldn't be there. Things like smoke, gases, and tiny dust particles that come from factories, power plants, cars, and other sources. All that nasty stuff gets mixed into the air we breathe every day.
Air pollution is really harmful to people's health. It can make it hard to breathe and cause lung problems like asthma attacks. People with allergies or heart and lung diseases are especially at risk. Even healthy people can get headaches, feel tired, and get sick more easily when the air is super polluted.
But it's not just humans that air pollution hurts. It also damages plants, animals, bodies of water, and the whole
environment. The toxic chemicals and particles can poison fish, kill trees and crops, and make animals really sick too. It's terrible for nature!
A major cause of air pollution is the burning of fossil fuels like coal, oil and gas. We burn these to power our cars, heat our homes, run factories, and make electricity. But when we burn them, they release gases and particles that pollute the air. Things like carbon monoxide, nitrogen oxides, sulfur dioxide and tiny particulates get spit into the atmosphere.
Another big contributor is transportation - cars, buses, planes and ships all pump out exhaust that dirties the air. Cities with tons of traffic and vehicle emissions tend to have really bad smog problems. Things like smoke from fires, emissions from industries and chemical plants, and dust from construction sites also add to the air pollution.
Global warming and climate change make air pollution even worse because of rising temperatures. Hotter weather increases the amount of ground-level ozone, which is very harmful to breathe. So climate change is making the air quality decline even more rapidly.
The effects of breathing polluted air over many years are quite scary. It can permanently damage lungs, stunt growth in
kids, and cause cancer, heart disease, and other horrible illnesses. No one wants to live in a world where the air is constantly toxic and dangerous to inhale!
So what can we do to fight this dirty air crisis? Well, we can start by driving less and using more public transportation, biking or walking instead of driving everywhere. We can also conserve electricity at home by turning off lights and unplugging devices we aren't using. That cuts down on the pollution from power plants.
At school, we should recycle as much as possible and not waste paper, plastic or other materials. We can have trees planted around our neighborhoods to absorb some of the carbon dioxide and release fresh oxygen. Speaking up and telling leaders we want stronger clean air laws is important too!
Ultimately though, big changes need to happen globally. We need to develop and use wayyyy more renewable energy sources like solar, wind and hydropower instead of dirty fossil fuels. Vehicle emissions standards have to get stricter, and industries need much better regulations on their pollution output. It will take cooperation between all countries to solve this worldwide problem.
But we can't just give up because it seems too big of an issue! Everyone needs to do their part by making some simple changes in their daily lives. If we all work together and take steps to reduce air pollution, we can create a healthier, cleaner world to live in. An environment with fresh breathable air for all people and creatures on this planet - now that's the dream! Let's start making it a reality, one action at a time. What do you say, are you in?
篇6
Air Pollution is Very Very Bad!
Hi friends! Today I want to talk to you about something super important - air pollution. It's a really big problem that hurts the planet and everybody living on it.
What is air pollution anyway? It's basically when there are too many yucky gases and particles in the air that we breathe. Things like smoke, soot, dust and other nasties get released into the atmosphere. This pollution comes from factories, power plants, cars, trucks, trains, planes and even some household products we use.
Why is air pollution so bad? Well, for one thing, breathing in all those dirty particles can make people really sick. It can cause
diseases like asthma, bronchitis and even lung cancer. Elderly people and kids are especially at risk because their lungs are more sensitive. No one wants to be stuck inside coughing and wheezing all the time!
Air pollution also does a ton of damage to the environment around us. You know how sometimes the sky looks all hazy and gray instead of bright blue? That's because of smog from pollution. Smog is just gross. It can even kill plants and crops, which isn't good because we need those to live.
Another terrible thing about air pollution is that it contributes to global warming and climate change. Those bad gases like carbon dioxide trap heat in our atmosphere, causing temperatures to rise across the whole planet. This leads to things like melting ice caps, rising sea levels, extreme weather and animals losing their homes and going extinct. So sad!
You might be wondering - what can we do about this huge problem? Well, there's actually lots we can do to reduce air pollution! Governments can pass laws to make factories use better filters and cleaner energy sources like solar or wind power. They can also invest in public transportation and encourage people to drive less.
As individuals, we can take public transport, walk, bike or carpool whenever possible instead of driving our own cars. We can conserve energy at home by turning off lights/AC when not using them. Avoiding too many sprays and chemicals helps too. Planting trees is great because they absorb carbon dioxide and produce oxygen.
If we all work together, we can cut down on air pollution and have clean fresh air to breathe. Imagine blue skies, healthy trees and animals thriving in their habitats! A world with less pollution is a happier world for humans and nature alike. Let's get started today by making some simple changes. Who's with me?。