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Geography Education
Geography Education
Global news with a spatial perspective: Interesting, current supplemental materials for geography students and teachers. http://geographyeducation.org
Curated by Seth Dixon
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Sustaining Seven Billion People

Sustaining Seven Billion People | Geography Education | Scoop.it

"With seven billion people now living on Earth, the ever growing demand is putting unprecedented pressure on global resources—especially forests, water, and food. How can Earth’s resources be managed best to support so many people? One key is tracking the sum of what is available, and perhaps nothing is better suited to that task than satellites."


Seth Dixon's insight:

Agricultural production is one of the ways in which people modify the environment more than any other.  Global population is expected to top out at around 9 billion around 2050, so will we be able to sustainably feed all of the entire human population?  Satellite imagery can help answer these questions. 


Tagsremote sensing, geospatial, images, sustainability, agriculture, food production, environment modify, unit 5 agriculture

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Russell Roberts's curator insight, July 5, 9:53 PM

Thanks to environmental reporter Wes Thomas and professor Seth Dixon for this incisive analysis of how to provide sustenance to a world population nearing the 7 billion mark.  Dixon says the key is tracking the "sum of what is available...and perhaps nothing is better suited to the task than satellites."  Ever since the launch of "Landsat" and resource imaging satellites, scientists have been collecting data on global resources such as water, land use, forests, and crop production.  Dixon and Thomas say it's time the data were  put into a plan to fight hunger and habitat destruction around the world.  Such a plan may work if we as humans can keep from killing ourselves over religion, politics, and territory.  A tall order , indeed.  Aloha de Russ.

Daniel LaLiberte's curator insight, July 6, 9:09 AM

Such studies of the agriculture around the world are essential. The way we are doing agriculture to support seven billion people now, peaking at 9-10 billion in another 60 years, it is clear that we are putting severe strains on the environment.  But we have grown lazy, and we are doing it all wrong.

 

We CAN drastically reduce the amount of meat we consume, and thus quickly reduce the amount of arable land we need.  We CAN grow plants in ways that actually sequester more carbon and improve the soil it over time rather than erode and degrade.  And we CAN in fact grow all the food we need in the space we live in, thus enabling us to recycle all the water used as well, which is mostly just lost in evaporation. 

Tom Cockburn's curator insight, July 13, 2:52 AM

Vital debate for the future

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The Rise of Innovative Districts

"Today, innovation is taking place where people can come together, not in isolated spaces. Innovation districts are this century's productive geography, they are both competitive places and 'cool spaces' and they will transform your city and metropolis."

Seth Dixon's insight:

As described by the Brookings Institution in their exploration regarding innovation districts, they are geographic areas where leading-edge companies, research institutions, start-ups, and business incubators are located in dense proximity. These districts are created to facilitate new connections and ideas, speed up the commercialization of those ideas, and support urban economies by growing jobs in ways that leverage their distinct economic position.


Tags: density, sustainability, housing, urban, planning, unit 7 cities, labor.

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Comparing Urban Footprints Around the World

Comparing Urban Footprints Around the World | Geography Education | Scoop.it

"In the above poster the cities are arranged (roughly, in order to maximize space) by population. Clearly, size and population are not directly correlated. Some cities take up a lot more space for a smaller population. The relationship between the two, of course, is known as density (population density, urban density)."

Seth Dixon's insight:

I shared this a while back, but the creator has since revised the data and updated the layout for the main infographic. The entire set of infographics are tremendous visual tools to compare urbanization patterns around the world. 

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Vincent Lahondère's curator insight, May 14, 1:38 PM

    Ce qui suit est une série d'infographies comparant les empreintes physiques de 56 villes à travers le monde. Ils sont présentés côte à côte à la même échelle, ce qui permet au spectateur de comparer ces villes. Parmi celles-ci 56 sont quelques-unes des principales villes du monde...

Jason Wilhelm's curator insight, May 22, 9:21 AM

Urban sprawl is a rising problem in the world due to the lack of control and its massive impact on the surrounding environment. These footprints show how unique each city's sprawl is. The surrounding environment is playing a huge role in where and how far each city extends. Chicago, for example, is limited on its eastern side due to Lake Erie's close proximity, and Cleveland is in a similar situation but on its north side where Lake Erie is. 

Sid McIntyre-DeLaMelena's curator insight, May 29, 9:35 AM

The cities are organized (approximately) to population and shows the size of cities accordingly. The different sizes of cities and their correlating populations is thus revealed from urban places around the world. 

Urban regions stay rather functional and could be seem similar across the board, focusing on major economic activity and transportation.

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The Most And Least Sprawling Cities In America

The Most And Least Sprawling Cities In America | Geography Education | Scoop.it

"Tracking changes in the shape of American cities over 10 years reveals which cities pack the most into a small space, but don't worry, sprawlers: Los Angeles shows you can change your fate."


Today’s nearly 314 million U.S. residents will expand to 401 million in less than 40 years. Wherever you fall on the cultural spectrum between country and city mouse, the fact remains that we simply won’t be able to use up resources the way we do now in sprawling suburbs shaped by car culture.  See also this infographic depicting those with the worst sprawl. and CNN Money's list of the worst sprawl and a discussion of it's impacts.  


Tags: density, sustainability, housing, urban, planning, unit 7 cities

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Geofreak's curator insight, April 3, 10:35 AM

Ruimtelijk ordening, stedelijke gebieden

VS

L.Long's curator insight, April 15, 3:57 PM

Urban  Dynamics

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The World's Most Densely Populated Cities

The World's Most Densely Populated Cities | Geography Education | Scoop.it
The growth of these cities will create a host of environmental and health problems.


By 2210, the global population is expected to grow from just more than 7 billion to 11.3 billion — with 87 percent of the population living in urban areas, according to a new working paper by researchers from NYU’s Marron Institute.

Most of these individuals will be in what’s now the developing world — creating a host of environmental and health problems.

If projections are correct, these new urban dwellers will require the world’s existing cities to expand six-fold to accommodate triple the residents, Richard Florida wrote in The Atlantic. Plus, the world will need 500 new “megacities” of 10 million or more, he wrote.

Seth Dixon's insight:

Tags: density, sustainability, housing, urban, planning, unit 7 cities. 

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Lola Ripollés's curator insight, March 25, 3:42 PM

Pointed out in the latest report on Construction Industry 

Trends by Accenture, the rise of the Megacities will empower construction whilst raising many environmental and health problems.

Valerie Bauwens's curator insight, March 28, 1:46 AM

Or will there be a natural come back to the country side?

Jessica Rieman's curator insight, April 2, 2:42 PM

 Cairo, Egypt has a population density of 9,400 residents per square kilometer. THese numbers are crazy think about it compared to MA or RI and our major cities.

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Smarter Food: Does big farming mean bad farming?

Smarter Food: Does big farming mean bad farming? | Geography Education | Scoop.it
In Minnesota, ‘industrial’ operation shows effort to balance economic, environmental sustainability.
Seth Dixon's insight:

In the long run, a successful farmer needs to find a balance between economic and environmental sustainability.  Some big farms are working towards that so the 'big-equals-bad' narrative about agriculture may be easy, but it doesn't tell the whole story about modern agriculture. 


Tags: GMOssustainability, agriculture, agribusiness

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Pranav Pradeep's curator insight, February 27, 8:24 AM

Yes it does because in all large scale endeavors, regardless of what for, the quality is always sacrificed for the quantity because it becomes cheaper to produce and profits are greater.

Jason Wilhelm's curator insight, February 27, 8:33 AM

The large-scale agricultural practices of modern America tend to lend to the bad image of commercial farming. However, the practices are actually helping feed more people in the US, but they also use genetically modified crops and other highly debated techniques.

Lauren Sellers's curator insight, May 20, 8:45 AM

Yes it does because in all large scale endeavors, regardless of what for, the quality is always sacrificed for the quantity because it becomes cheaper to produce and profits are greater.

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What Pollution? Hong Kong Tourists Pose With Fake Skyline

What Pollution? Hong Kong Tourists Pose With Fake Skyline | Geography Education | Scoop.it
Picture this: Tourists visiting one of your city's most prominent attractions are unable to see it because of smog, haze and a bevy of other airborne pollutants. What's the solution?
Seth Dixon's insight:

Pollution is becoming ubiquitous in our urban environments.  If your primary concern is the environment, it is clear that this situation in Hong Kong must be changed.  But what if the environment is not the concern of policy makers?  What economic and planning arguments could you make in favor of a more sustainable course?


Tags: pollutionChina, development, economic, megacities, East Asia, industrysustainability, urban ecology.

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Jessica Rieman's curator insight, April 23, 11:16 AM

This picture alone is worth a thousand words, I mean how bad does the pollution have to be that there are actually stands with what the skyline should look like as opposed to the poluted REAL skyline behind it. This is insane that this is an actual exhibit. Thats like putting a cardboard cut out of the Effile Tower or Big Ben and saying it is the same thing, when next to eachother their is a real clear difference.  It has me thinking is this what we all will have to resort to when pollution and other drastic changes happen, to recreate an image?

Tracy Galvin's curator insight, May 3, 3:38 PM

This is just wrong in so many ways. Instead of acknowledging that there is a serious problem causing untold health problems for the population of Hong Kong, they just put up a pretty picture to distract everyone. How is that going to help the city?

Jess Deady's curator insight, May 4, 6:29 PM

This is cool. Why not take a fake picture of the beautiful background? Maybe because the background is actually filled with so much smog you can barely see it.

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Urbanization and Megacities: Jakarta

"This case study examines the challenges of human well-being and urbanization, especially in the megacity of Jakarta."

Seth Dixon's insight:

Megacities are growing, especially in the developing world.  This rapid population growth leads to serious strains on many resources and the infrastructural capacities which leads to some dismal living conditions among the urban poor.  World Vision Australia works to assist and empower many of those without access to these important amenities.  Download the lesson as a PDF here


Tags: Indonesia, urban, megacities, sustainability, development.

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Lauren Stahowiak's curator insight, April 16, 2:16 PM

In megacities, such as Jakarta, urbanization brings about many problems for local residents. The areas are crowded and residents get little to no income. An Australian organization works to help the people of Jakarta by giving them advice,food and helping where necessary. With this help, families are able to keep their spirits higher and hope that their children will live better lives than the ways that they were brought up.

Joseph Thacker 's curator insight, April 18, 5:10 PM

Jakarta is the capitol of Indonesia and now has a population of over 28 million. Urbanization is bringing serious problems to Indonesia’s only mega city, such as poor access to clean water and housing, and overpopulation. Some people, including the young woman in this video are living with 16 or more people in one house. It seems the city is not providing enough affordable housing for its residents.

Tracy Galvin's curator insight, May 1, 11:25 AM

It is nice to see an organization that is not just blindly giving resources to people in need but actually empowering them and training them to be able to get the things they need through work. The women in this story describe how they have learned to make and sell things in order to take care of their families and they describe how empowering that feels.

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6 Ways Climate Change Will Affect You

6 Ways Climate Change Will Affect You | Geography Education | Scoop.it
From the food we eat to the energy, transportation, and water we all need, a warmer world will bring big changes for everyone.

 

B Sinica: This article touches every aspect of geography from culture to climate [considering] how the growing population plays the biggest role in determining the future of life on Earth.  People need to recognize the problems and potential future issues with global warming and the rapidly changing environment.  Though not many issues can be prevented or even solved, the least we can do is try to lessen the severity of devastation and prolong the current conditions as much as possible before the world becomes too extreme to manage.

Seth Dixon's insight:

Some tangible ways that climate change can impact us in the future:

  • Food Security
  • Energy consumption
  • Extreme Weather
  • Drought
  • Health risks (more air-born diseases)
  • Vulnerable urban ecologies


Tags: climate change, environment, environment adapt, sustainability. National Geographic.

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Brianna Simao's comment, April 30, 2013 7:22 PM
It is kind of a scary thought that global warming could greatly disrupt the way we live. Everyone is affected by it especially businesses like farms. The production of crops declines because of the excessive heat. Changing climate affect the length of each season which hurts the process of growing and harvesting crops. There would also be a change in the production, storage and transportation. It will cost more money to properly manage these businesses. This change will not only affect companies and how we handle our food but also our way of life and health. We would all have to adapt to such drastic changes in the environment which may be a struggle for some. Health wise, if it is too hot and people are not well adapted then it could lead to hospitalization and increased health risks. I don’t think there is much we can do to lessen the severity because it is a natural cycle of earth. I do think we may have sped up the process a little bit, for example car exhaustion and greenhouse gasses. But we are so dependent on such technology we can’t just make it disappear.
Dillon Cartwright's comment, May 3, 2013 1:04 PM
It's crazy that something like a little climate change can change the affect the entire world. Not just in one way either, it affects the world in many ways, like the 6 mentioned above. I don't think people realize the frailty of the environment they live in. Something as small as someones car exhaust becomes kind of a big deal when there are hundreds of millions of cars in the world.
In addition to that, I think it's great that life expectancy has gone up with cures to diseases and advances in modern medicine. It's a good thing that people are living longer lives, but it's a problem when these people aren't environmentally conscious. If there is going to be a consistent increase in population, there should also be an increase in environmental awareness so everyone can work together in slowing down this destructive process.
Victoria McNamara's curator insight, December 12, 2013 10:03 AM

Climate change is going to affect how we live in the future. It will cause lack of food, energy sources, health risks, climate changes, drought etc. It is because of our growing population and the amount of people the world has to take care of for all of us to survive. We are also using too many of its resources too quickly. What could we do now to try to slow down the process of it happening? 

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From Pets To Plates: Why More People Are Eating Guinea Pigs

From Pets To Plates: Why More People Are Eating Guinea Pigs | Geography Education | Scoop.it
Guinea pigs are popular pets in the U.S., but in parts of South America, they're a delicacy. Some environmental and humanitarian groups are making a real push to encourage guinea pig farming as an eco-friendly alternative to beef.
Seth Dixon's insight:

First off, my apologies if you find the image distressing (I have two guinea pigs in my house and I will not be showing this picture to my children). However, the fact that many readers might find this image disturbing but wouldn't think twice about the sight of chicken grilling on the barbeque highlights the cultural taboos surrounding what we consider appropriate food sources.  The tradition has diffused to the United States as more South American immigrants have come to the United States.  While the meat is more environmentally sustainable (less resources are required to raise one pound of guinea pig meat than one pound of beef), many potential costumers are leery to eat something that they consider a pet.


Tags: food, diffusion, sustainability.

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Jacqueline Landry's curator insight, December 15, 2013 6:21 PM

I can  see both sides of this, I would never eat a guinea pig because I grew up viewing them as pets. I think people are brought up a certain way and even when they move they take their customs with them.  I have a friend from china and lived there until he was 14 yrs old, he  had told me the city he was from they ate dog and cats. they view it as meat were we think of them as pets. 

Nathan Chasse's curator insight, February 28, 7:26 PM

This article is interesting because it is taking into consideration the ecological benefits of eating what we consider unorthodox meats. Raising guinea pigs for food would apparently leave a substantially smaller carbon footprint over a large, high waste producing animal like cows. Culturally, in South America guinea pigs are considered a delicacy, but I can't see culture changing in the United States to the point where we would give up hamburgers for grilled guinea pig.

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Envisioning the urban skyscraper of 2050

Envisioning the urban skyscraper of 2050 | Geography Education | Scoop.it
Envisioning the urban skyscraper of 2050
Ars Technica
The Internet of Things will be ubiquitous, Arup suggests; presumably to the point that it has been abbreviated simply to "things," the "Internet of" having been long since forgotten.
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Alexandra Piggott's curator insight, February 23, 2013 9:50 PM

Is this the future for the sustainable urban area? Can this be overlaid on our exisiting urban areas? Does it only have relevance in new Ecocities?

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Stores reject 'wasted food' claims

Stores reject 'wasted food' claims | Geography Education | Scoop.it
Britain's biggest supermarkets defend their practices after a report suggested that up to half of the world's food is thrown away.
Seth Dixon's insight:

The mechanization of the all stages of food production has lead to some strange practices.  The geometry of a food matters for a mechanized processing and also for the aesthetics at the grocery store which leads to slightly misshaped vegetables and fruits are routinely discarded.  There is waste throughout the system, from 'field to fork.'  

 

Tags: food, agriculture, consumption, sustainability, unit 5 agriculture.

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Tourism's comment, January 16, 2013 8:29 PM
thanks for the info
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Energy Conservation

Energy Conservation | Geography Education | Scoop.it
Energy conservation starts at home....


This interesting National Geographic article emphasizes how consumption patterns in the home are connected to some of the serious global issues that we currently face.  This article becomes an exploration into how to go about creating a more environmentally sustainable home. 

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Teresa Gallego Navarro's curator insight, December 18, 2012 6:50 PM

The best energy is the one we don´t consumpt!!

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Developing World Cities and Population Density

Developing World Cities and Population Density | Geography Education | Scoop.it
Without a question, we are living in an urban era. More people now live in cities than anywhere else on the planet and I’ve repeatedly argued that cities are our most important economic engine. As a result of these shifts, we’re seeing megacities at a scale the world has never seen before.
Seth Dixon's insight:

As our cities have massively expanded in the last 70 years, so has the ecological footprint of these metropolitan areas.  This article discusses some of the challenges confronting megacities and their functions within the global urban network. 


Tags: sustainabilitydensity, megacities, housing, urban, planning, unit 7 cities. 

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Mr Steven Newman's curator insight, June 26, 2:25 PM

Just a few years ago there were only  20 cities with a pop over 10 million.  I'll use this with my  10 geography class to compare Australia's population and size with these cities and  look at debates around policies.  I,ll try and get the students to debate around ecological sustainability.

Fathie Kundie's curator insight, June 27, 9:05 AM
المدن الأعلى كثافة بالسكان على مستوى العالم
Sally Egan's curator insight, June 29, 6:31 PM

Mega cities and the challenges they face for the future is focus in this article. Great statistics on populations and urban densities are also included.

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Solar Roadways

Seth Dixon's insight:

I'm sure a few of you have already seen this viral video and it should be intriguing to geographers for a variety of reasons (and not just because we love hexagons). Solar Roadways is a project in its infancy, but they have broad ambitions that would be revolutionary.  Roads that would produce energy?  The idea would have staggering results, but there are some practical reasons why this hasn't already been implemented.  A geographic perspective is critical as we plan for the future.   

 

Questions to Ponder: How would the full implementation of this idea restructure the cultural landscape, urban environments and our cultural ecology?  What would some advantages be?  This video is a promotional video that emphasizes the positive; what drawbacks, limitations and obstacles are there to solar roadways in the future?  


Tags: transportation, technologyenergysustainability, planning, video.

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Gabriel Pizarro Dasso's curator insight, June 11, 12:15 PM

creo que es al menos el mejor invento de diseño hasta hoy en día 

Nancy Watson's curator insight, June 13, 6:26 AM

What an interesting idea. Power of the future?

Michelle Fulton's curator insight, June 17, 5:20 PM

Some really interesting discussions could be held around this video-Geographically, Scientifically, Technologically, Environmentally, Creatively and Critically. 

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Feeding 9 Billion

Feeding 9 Billion | Geography Education | Scoop.it
When we think about threats to the environment, we tend to picture cars and smokestacks, not dinner. But the truth is, our need for food poses one of the biggest dangers to the planet.
Seth Dixon's insight:

Agricultural production is one of the ways in which people modify the environment more than any other.  Global population is expected to top out at around 9 billion around 2050, so will we be able to sustainably feed all of the entire human population?  This one question brings up many more spatial, environmental, political and social questions--this interactive feature nicely addresses many of the pertinent issues in a very accessible manner.    


Tags: sustainability, agriculture, food production, environment modify, unit 5 agriculture

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dilaycock's curator insight, April 29, 3:00 PM

Excellent resource from National Geographic that offers a 5-step plan to deal with the issue of feeding the world's population.

Sally Egan's curator insight, April 30, 8:09 PM

Agricultural production is one of the ways in which people modify the environment more than any other.  Global population is expected to top out at around 9 billion around 2050, so will we be able to sustainably feed all of the entire human population?  This one question brings up many more spatial, environmental, political and social questions--this interactive feature nicely addresses many of the pertinent issues in a very accessible manner.   

 

This article relates well to the Population topic in Global Challenges and issues that arise from the present growth patterns.  

Sid McIntyre-DeLaMelena's curator insight, May 29, 10:59 AM

As population continues to grow and agricultural lands dissappear, the issue of feeding the world is becoming a growing concern.

The environmental places of the world are becoming arid and the agrarian places are dwindling affecting the human/environment interaction by introducing agricultural issues.

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Changing Earth

Changing Earth | Geography Education | Scoop.it
Over the years, ISS astronauts have had a rare opportunity to witness climate change on Earth from space.
Seth Dixon's insight:

This video from National Geographic goes nicely with some of my recent posts about the dramatic changes that can be seen as some cities have exploded on the international scene.  The changes in metropolitan areas are dramatically presenting using satellite imagery in this great teaching video. 


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Sally Egan's curator insight, March 30, 4:29 PM

A great illustation of the changes to the environment as a result of increasing technology and population. Plays for 1minute 30.

Sally Egan's curator insight, March 30, 4:34 PM

A short but fascinating illustration of the rapid changes to areas of teh Earth, observed by astronauts since 2000. Plays for 1 minute 30.  

BI Media Specialists's curator insight, April 4, 4:46 AM
This is a great resource for some of our science classes. It is an interesting presentation of the changes that we are making over time.
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Maldives

Maldives | Geography Education | Scoop.it
Seth Dixon's insight:

The Maldives is a small country in the Indian Ocean composed of 1,200 islands.  Virtually every spot in this country is under 8 feet in elevation.  Pictured above is the capital of Malé, which has the largest population (explore these islands on a variety of scales).   


Questions to Ponder: What physical forces and processes account for the presence of these islands in the Ocean?  In a geological time scale, what does the future hold for these islands.  What would be the main economic assets of the Maldives?  What would be the main economic and environmental concerns of this country?


Tags: density, sustainability, economicenvironment, environment adaptclimate change, urban ecology.

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Nathan Chasse's curator insight, April 11, 1:19 AM

The Maldives are an extremely interesting case of physical geography. They are made of coral and sands which the oceans have deposited on the coral skeleton of the islands. The ringed shape of the islands suggests there was once something in the center of the them which either receded into the ocean or eroded away leaving only the hardened coral rings behind.

 

Economically, the fairly unique nature of these tropical islands makes them an excellent tourist destination and Maldives has a significant tourist industry. Unfortunately, the unique physical geography of the islands makes them extremely vulnerable to tsunami and rising sea levels. If global warming raises the ocean levels a few feet, the majority of the islands will be flooded permanently.

Tracy Galvin's curator insight, May 3, 3:51 PM

Although they are a country that relies on tourism for their economy, they still limit the number of tourists in respect for the Muslim population of the islands. Unfortunately, geology of the islands puts them in danger of rising sea levels without much of a solution for protection.

Jess Deady's curator insight, May 4, 5:48 PM

Boy would I love to visit the Maldives. What an interesting and beautiful island it is.

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Comparing Urban Footprints

Comparing Urban Footprints | Geography Education | Scoop.it

"This is a series of infographics (or geo-infographics) created by Matthew Hartzell, a friend of mine that I met when we were both geography graduate students at Penn State in few years back..."

Seth Dixon's insight:

This set of infographics  is a tremendous visual tool to compare urbanization patterns around the world. 


Tags: density, sustainability, housing, urban, planning, unit 7 cities. 

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Nancy Watson's curator insight, December 29, 2013 6:45 AM

Interesting comparison of cities and their urban footprints

Marcelle Searles's curator insight, January 25, 1:41 AM

useful for both Year 8 and Year 11 Geography.

Blake Welborn's curator insight, May 20, 9:15 AM

This a conglomeration of maps that represent the physical layout and land use of some of the major cities in the world, color coded by region. 

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What will you do?

What will you do? | Geography Education | Scoop.it
Seth Dixon's insight:

The world is in the palm of your hand; what will you do?  This is a question that each generation collectively needs to ask itself.  We can consider ourselves stewards of this planet with its vast natural resources and abundant potential.  If we make choices that are sustainable for the future we will keep many of these amazing possibilities open to future generations.  (For Hi-res image click here).  Just one more reason to read Geography Education.  


Tags: resources, sustainability.

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Hoàng Phương's comment, July 8, 2013 2:22 AM
My hand make all thing.
Susana Negrin's comment, July 8, 2013 10:17 AM
Excelente estrategia para visitar el blog que es muy interesante!!
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Managing Global Resources

Seth Dixon's insight:

How could this prompt (with accompanying activities and lesson plans) fit in with what you teach or study? 


Tags: consumption, food, development, resources, sustainability.

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Sally Egan's curator insight, April 10, 2013 3:34 PM

Useful for teh Fodd Security section which will be in the National Curriculum. The video provides an animated presentation of reasons for inequity in food availability over the globe. The activities on Oxfam site are useable resources.

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The Big Squeeze: Can Cities Save The Earth?

The Big Squeeze: Can Cities Save The Earth? | Geography Education | Scoop.it
What if you put all 7 billion humans into one city, a city as dense as New York, with its towers and skyscrapers? How big would that 7 billion-sized city be? As big as New Jersey? Texas? Bigger? Are cities protecting wild spaces on the planet?
Seth Dixon's insight:

This NPR article pulls together some great images of dense urban housing as well is some stellar infographics to show the importance of cities to a growing global population. 


Tags: density, sustainability, housing, urban, planning, unit 7 cities

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Steven Flis's curator insight, December 17, 2013 11:12 AM

Its been known that Americans have lavish lifestyles compared to outher populous countries. In this article they show a represntation if the entire world lived like (had as much space) americans and it was astoudning. It would take 4 earths to fit the world if everyone had this lavish lifestyle. So we obviously need to change our ways. Cities ae very helpful to sharing this earth. They serve as a main hub so youll only have to ship to a few places. This with the shortening of distances would save tons of gas and othe rescources. But as the article states everyone living in a Main city wouldnt be possible because people need to produce outside the city. So in my opinion for this city world to work it would need to be a few megacities preferably one on each continent and for them to the city be surronded by production methods.

Bryan Chung's curator insight, May 8, 4:40 PM

cool

Peter Hillman's curator insight, July 22, 8:42 PM

An interactive site for comparisons of city sizes

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Top 10 Most Populated Cities In The World

Top 10 Most Populated Cities In The World | Geography Education | Scoop.it
Urbanization has led to what are known as mega-cities, cities with a population of over 10 million people. These mega-cities have become so large that they often lead to terrible pollution, traffic, and extreme poverty.
Seth Dixon's insight:

Over half the global population lives in cities, and the problems confronting these megacities will loom large for future sustainability issues--both at local and global scales. This list ranks the cities by city limits and governance jurisdiction (not by the expanded metropolitan area).  


Tags: urban, megacities, sustainability, unit 7 cities.

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Erik Seglem's comment, March 15, 2013 8:22 AM
This is an interesting article, but it doesn't say how they came to their numbers. It seems like they may only be talking about within the 'city' limits, or some very old data. http://www.citypopulation.de/world/Agglomerations.html has some very different numbers as of the beginning of this year, their numbers however are the entire aggomeration and not just the 'city' limits.
Sally Egan's curator insight, March 18, 2013 4:17 PM

Over half the global population lives in cities, and the problems confronting these megacities will loom large for future sustainability issues--both at local and global scales. This list ranks the cities by city limits and governance jurisdiction (not by the expanded metropolitan area). 

 

 This is an interesting article, but it doesn't say how they came to their numbers. It seems like they may only be talking about within the 'city' limits, or some very old data. http://www.citypopulation.de/world/Agglomerations.html has some very different numbers as of the beginning of this year, their numbers however are the entire aggomeration and not just the 'city' limits.

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Adaptive Roots in the Concrete Jungle

Adaptive Roots in the Concrete Jungle | Geography Education | Scoop.it

"In this fantastic sighting by photographer Horst Kiechle, we see the roots of a tree in Bangkok, Thailand (Lat Yao, Chatuchak to be exact) growing into the grooves and cracks of an interlocking sidewalk. Even the colour of the roots gradually fade into the pavement."

Seth Dixon's insight:

This startling image is a powerful testament to the adaptive nature of many species to the urban environment.  Some species will adapt in beautiful ways such as this tree, while other will adapt in ways that go against our plan for that urban space (think rats, pigeons and cockroaches).  We adapt to our environment and the environment adapts to us as well; but that relationship is not always peaceful and symbiotic.  We can also destroy ecosystems that are fragile and not as resilient to change as this tree is.  See this same tree's root network one year later

 

Tags: urban ecology, environment adapt, sustainability, biogeography.

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Public Transit and Density

Public Transit and Density | Geography Education | Scoop.it
Seth Dixon's insight:

This image is an excellent visualization to use when teaching about density, public transportation and urban planning. 


Questions to Ponder: How is this a persuasive image?  Do you argee with the argument that the planning office is making? Are there something important factors that this image ignores?


Tags: transportation, urban, planning, density, sustainability, unit 7 cities.

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Imran Ahmed Khan's comment, January 17, 2013 12:44 PM
Good picture! It defines the growth of the city that impact on urbanization rate, public health, socioeconomic environment. It also tell us that if we reduce vehicles on the road more space and clean environment may we get, that reduce motality and morbadity of several disease especially lung diseases.
Lauren Jacquez's curator insight, April 8, 2013 6:31 PM

What are the benefits for each?  Drawbacks? You decide!