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Cities will get overpopulated and we will have to use more money and taxes might go up. And with more people comes more crime, polution and larger cities being built and taking up more of the area animals live, especially animals that give us meat.

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Natalie, Kennedy, Sophia, and Malika

Overpopulation is a problem because everyone is using their cars and stoves so that is causing pollution which is causing sickness. We can change that by using natural resources and not as many people living in large cities or they can spread out and conserve more energy.

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They should make better hotels condos houses and make the city clean and healthy and ban drugs like cigarettes and not have any sick homeless people with diseases and make things electrical and not bad like smoke and oil spills it should be called helthtopia

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Our earth 🌏 is getting polluted. I think that we can have a clean up group that includes citizens

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cities are getting to populated and make it hard for family's to get to work,school,hospital,store,and home also it makes it to where there are so many people in need of a job because all the jobs are already taken up by the huge population that was there before them. pollution also causes people to get sick and birds to die off in the area.also since the mega city's get so populated people have trouble finding a house for sale and built and at a decent price for there budget. crime rates in big cities are also a problem since so much is going on at once only one little thing that you do to a person in a bad mood and just got out of traffic can really tick someone off and start a fight. what we could do to help out is community service and fundraisers for education.

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cities are getting to populated and make it hard for family's to get to work,school,hospital,store,and home also it makes it to where there are so many people in need of a job because all the jobs are already taken up by the huge population that was there before them. pollution also causes people to get sick and birds to die off in the area.also since the mega city's get so populated people have trouble finding a house for sale and built and at a decent price for there budget. crime rates in big cities are also a problem since so much is going on at once only one little thing that you do to a person in a bad mood and just got out of traffic can really tick someone off and start a fight. what we could do to help out is community service and fundraisers for education.

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By: Jonah Davis

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They should expand the cities

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There is to much pollution from cars and factories. We need to use alternative energy sources like wind mills. We can power are cars with electricity or with biofuel. We can get soler panels on our roofs and we can Use hydroelectric dams. We can take a bicycle or walk if you are not far away.

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People need to start spreading over different rural areas instead of only going to cities.

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Over population is a huge problem in Small areas, so to our expand our cities so people have more room to live.

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Payton, Marietta, and Caroline solved the problem of over population

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Payton, Marietta, and Caroline solved the problem of over population

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In 1900, only 2/10 of the world lived in cities, but in 2010, half of the world lived in cities. And that's not all. In 2050, its projected that 7/10 of the world will live in cities! A way we could fix the problem is maybe we could treat the land better. We could stop pollution, and maybe, say 6/10 of the world would move to the countryside. That way, we'd have enough room for visitors in popular cities like LA.

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Grace, Gabby, Chloe

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Maia Matthews and Maia karmis

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This is by Jessi and Zander

More people lived in urban places than back in 1800. There is only one reson for this. The population is BOOMING and causing more crowding in the cities. In 800 BC there was only 5 million people. And now there is more than 6 billion people in the world. Today more things are making people move. In conclusion, the world and envy one around us is changing.

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When you are finished reply to a peer using one of these starters: "I was really interested in what you were saying when…" ;  "My favorite word/phrase you used was..." ;  "Your answer reminded me of …" ; or "Your most convincing reason/evidence was…" ADD YOUR NAME

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When you are finished reply to a peer using one of these starters: "I was really interested in what you were saying when…" ;  "My favorite word/phrase you used was..." ;  "Your answer reminded me of …" ; or "Your most convincing reason/evidence was…" ADD YOUR NAME

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Nicholas and Sam

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Ryanne and Reese.
Their challenge is that they don't have enough room. It is over populated. They should build mores homes and not all live in the same place. Not as many people should move to urbans. People should also not pollute as much so that it is a livable place to live.

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Urban populations are suffering from pollution, poverty, and over population. We can make our cities more sustainable by not throwing your trash on the ground and investing in renewable resources. We can also help the poor people and have good hearts.

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One of the challenges that urban cities are facing is, over population and pollution. One way to prevent it we could have city limits that would lessen the amount of people in the big cities. Something that would prevent the pollution could be using safer resources that don't harm the environment. Another way to prevent pollution is to not use gas powered cars, but use solar and electric cars, we already have the technology but not many people use them because people are selling them for way to much.

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Cities are facing extreme pollution problems.People should start using cleaner resources and alternative energy,instead of burning up coal,oil,and gas.

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Urban populations are facing overpopulation and pollution because people for some reason like to gather in cities. We could make cities-more  sustainable by make ing people spread out to rural areas.

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We should spread out into smaller areas as a bunch of suburban areas takes up less power and less pollution than one big urban area🏠🏢

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Urban populations are facing a tremendous amount of pollution. We can make our cities more sustainable by converting gas powered transportation to electric powered transportation.

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One of the biggest challenges urban populations are facing is air pollution. We can try to get people to stop smoking in large cities and plant more trees. We should also invent a machine that compacts all the trash you throw away and turn the trash into blocks that we can use to make houses for poor people.

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We should have a city limit and have people move out and expand out with less factories in the new in urbanized places

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I think we should reduce the amount of pollution & trash we make

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Some megacities  are too densely populated, take Tokyo, for example. Since Japan has used up all of its space, places are really crowded. I think that maybe places should have more ways of getting around.

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We should make certain amenities cost less, so more people can afford them, water is a natural resource, so why markup the price of something you can find in nature ? We should try to make it so that everyone can afford or get what they need. We also need to reduce the amount of pollution so maybe find a way to minimize the toxic gases produced by factories, like filtering the air before releasing it into the atmosphere. It would also help if we disseminate the population instead of having so many megacitys to more effectively use all the space and reduce the amount of overpopulation in megacitys

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The challenge urban areas are facing is overpopulation or over crowded cities, resulting in massive pollution. We can make our cities more sustainable by finding more eco-friendly ways to power cars and homes so we can reduce pollution, and make more jobs in rural places so some people can live there instead of just in cities.

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From expansion to population rules to Antarctica. Post by William

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From expansion to population rules to Antarctica. Post by William

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I think we should have a citizen limit based on city size, that way we can expand and fit in more people without the city being overcrowded. And we should also colonize Antarctica because it is the only continent we're not using, therefore has plenty of space. And I know you think it's too cold, but nothing an effective heating unit can't deal with.

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Pollution is the challenge we are facing . To sustain it we have to stop using fossil fuel

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There are too many factories, something that can help is where we can move the factories to a different area where it isn't as populated

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Also in urban cities reallly tight spaces there is so much land out there can't they make more cities so places won't be so crowded 🙉🙉🙉😫😫

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Use alternative energy and do good things to help people.

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Cities are over populated.

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Focus on conserving natural resources.