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Scooped by Seth Dixon onto Geography Education |
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Divers on Australia's Great Barrier Reef recently snapped rare pictures of a wobbegong, or carpet shark, swallowing a bamboo shark whole.
The diversity of life on this planet and the ecosystems which such creatures live in is something that continually leaves me in awe at the wonders of the natural world.
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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. 
Sally Egan's curator insight,
April 10, 6:34 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. Delete the scoop?
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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. 
John Peterson's comment,
April 30, 10:36 AM
This article brings up very interesting point on the benefits of densely populated cities. While these cities can be very far from ideal living circumstances, they provide numerous opportunities and benefits to their populous. Because of the introduction of cities in our society, we have been able to reach the enormously high population numbers that we see today. Without these crammed together spaces, the world would not be able to sustain such large numbers. This can also be seen as detrimental to our society because with the increased strain on the surrounding areas to support these cities, we are harming the earth and the resources these cities so desperately need. Although the article points out that we could use some densely populated cities as models to condense earth’s population, it does also state how this would still not be fully beneficial to the planet. This is because although only a small area will be directly populated; there will still be large strains on the surrounding environments for resources. This argument shows how it is not a matter of condensing the population in order to save the earth, but to rather change our living habits, and maybe having fewer children as well.
Kevin Cournoyer's comment,
May 1, 12:50 AM
Overcrowding and overpopulation have become of increasingly greater concern over the last decade or two. We as human beings want more things and more space, but there is only so much space in the world in which we live. Cities have proved a viable, if still malignant solution because they allow for people to live in close quarters and still carry on normal, productive lives.
Some cities are more densely populated than others, and this leads to the issue of how much space they take up. This article was interesting because it showed how much room the world’s population would take up if they lived as densely populated as people in six different cities do. In terms of physical space, there were of course large differences between the six. Maybe more interesting was the infographic that showed how much of the earth the world’s population would need to live like the people of nine different countries. Here we can see the correlation between economic prosperity, standards of living and geographic impact. Those with less money and a resulting lower standard of living have adjusted to live with less and therefore physically take up less room than those in more developed countries. If everyone lived like those in more developed countries, we would literally need several more earths for everyone to live within their means constantly. 
Magnus Gustafsson's comment,
May 2, 2:59 AM
Yes. Keviin. I think the infograph about developed countries are most interesting and useful for my students.
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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. 
Erik Seglem's comment,
March 15, 11:22 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, 7:17 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. Delete the scoop?
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"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. Delete the scoop?
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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. 
plerudulier's curator insight,
January 15, 1:17 PM
If you define a "car" as "a separate enclosed vehicle for every passenger or party", then the geometric fact about all cars, self-driving or not, miniaturized or not, is that they take vastly more space per passenger than effective public transit. This will not be a problem in low-density suburbs, but cities, by definition, are places with relatively little space per person. Self-driving cars will certainly improve the efficiency with which cars use space, so they will shift the calculus somewhat. But the bottom line will still be that if you want two crash-safe metal walls between every two strangers going down the same street, you will need a lot more space than if those two people can sit next to each other on civilized public transit. You will also need vastly more metal and equipment, which means that the self-driving-car-replaces-transit fantasy involves massive industrial production with severe consequences for energy security and greenhouse-gas emissions. As for the idea that somehow these cars will replace buses but not rail, this may be true around the margins. 
Imran Ahmed Khan's comment,
January 17, 3:44 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, 9:31 PM
What are the benefits for each? Drawbacks? You decide! Delete the scoop?
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There will soon be 7 billion people on the planet. Find out why you shouldn’t panic—at least, not yet. This whole year, National Geographic has been producing materials on the impacts of a growing global population (including this popular and powerful video). Now that the year has (almost) concluded, all of these resources are archived in here. These resources are designed to answers some of our Earth's most critical questions: Are there too many people on the planet? What influences women to have fewer children? How will we cope with our changing climate? Are we in 'the Age of Man?' Can we feed the 7 billion of us? Are cities the cure for our growing pains? What happens when our oceans become acidic? Is there enough for everyone? Tags: population, National Geographic, sustainability, density. Delete the scoop?
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Jerry Dobrovolny, Vancouver’s director of transportation, has a lot of nerve trying to spin a tale that the city’s new transportation plan isn’t “focused on a war on the car.” He should walk across the street from city hall to Yuk Yuk’s comedy club... Not everyone (especially not the author of the linked editorial) is a fan of Smart Growth and other urban planning paradigms that promote alternative forms of transportation (categorized in the editorial as anti-vehicle bullying).
Questions to Ponder: Does Vancouver's planning seem "anti-vehicle" to you? Are some places "anti-cycling" or "anti-walking?" What would these places look like? What do you see as the best transportation model for our cities? Tags: transportation, urban, planning, sustainability. 
Lauren Moss's comment,
November 2, 2012 8:20 PM
Thanks for sharing a very interesting perspective on a very relevant issue... I think LA exemplifies an 'anti-pedestrian/cycling' city, though the factors (historic patterns of development, social + cultural issues, etc.) that contribute to this condition are varied and complex. In a similar vein, though I advocate smart growth principles, implementation definitely has its own complexities, as expressed in the Op-Ed above. Regardless, always glad to learn more about the topic- appreciate the share!
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It was just over two centuries ago that the global population was 1 billion — in 1804. But better medicine and improved agriculture resulted in higher life expectancy for children, dramatically increasing the world population, especially in the West. This is an excellent video for population and demographic units, but also for showing regional and spatial patterns within the global dataset (since terms like 'overpopulation' and 'carrying capacity' inherently have different meanings in distinct places and when analyzed at various scales). It is also a fantastic way to visualize population data and explain the ideas that are foundational for the Demographic Transition Model. Tags: population, scale, visualization, Demographics, models, unit 2 population, sustainability, regions, spatial. Delete the scoop?
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The green revolution has impacted almost every sector of the economy. Now, eco-friendly technology is revolutionizing the way we think about architecture. Every part of the architectural process is undergoing huge changes. When people think of green architecture, they often picture simple modifications, such as the substitution of environmentally friendly materials for less sustainable ones. While this can certainly be a viable means of reducing a project’s carbon footprint, it is by no means the only way to make a positive impact. The best green projects are the ones that go above and beyond, completely altering the way people think of architecture as a whole. The following are just a few of the spectacular developments taking place in architecture today.
Tags: urban, urban ecology, sustainability, unit 7 cities. Via Lauren Moss 
Kimberly Hordern's comment,
April 28, 8:49 PM
This idea is pretty cool. With all the pollution we have in the world today we need to start replanting the trees and plants we have tore down. Especially since more people are wanting to live in the big cities making the cities larger decreasing on our natural environment.
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Crissy Borton's comment,
September 11, 2012 8:36 PM
Looking at purchasing a house in the next year or so and this is one thing we have been looking at. Although we don't want to raise our own meat we would like to grow everything else we eat.
Courtney Holbert's curator insight,
February 3, 10:44 PM
Good visual representation of what it would take to be self sufficient. Delete the scoop?
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After remaining stable for most of human history, the world's population has exploded over the last two centuries. The boom is not over: The biggest generation in history is just entering its childbearing years.
The Los Angeles Times has produced an in-depth interactive feature centered around the impact of an increasing global population. With videos, population clocks, narrated graphics, maps, photos and articles, this is treasure trove of resources that cuts across many disciplines. Delete the scoop?
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A new global survey suggests world's the most wasteful countries feel the least guilty—and vice-versa.
Our consumption patterns, ecological footprint and lifestyle choices have a significant impact on how we feel about sustainability initiatives and human/environmental interactions. 
's comment, September 4, 2012 8:27 AM
This article explains about America being the least green in the world when it comes to transportation, etc. Things are being done which can bring a good impact to our environment like cleaner gasoline or cars that are run on electricity like the hybrid cars that you see in the commercials on TV. But, there's also a few other ways to make a good impact on the environment like riding a bicycle to work for take public transportation or walk to places you want to go to. Not only we can get good exercise by walking or riding a bicycle but you can reduce the emmissions in the air form your own car. When it comes to food, Americans can start eating vegetables to make a good impact on the environment.
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The new Blackfriars station, which is being built on a bridge spanning the River Thames, is on its way to becoming the world's largest solar bridge after Solarcentury begun the installation of over 4,400 solar photovoltaic panels...
"The solar panels will generate an estimated 900,000kWh of electricity every year, providing 50% of the station’s energy and reducing CO2 emissions by an estimated 511 tonnes per year. In addition to solar panels, other energy saving measures at the new station will include rain harvesting systems and sun pipes for natural lighting." 
Roland Trudeau Jr.'s comment,
July 6, 2012 8:21 PM
Its definitely a step in the right direction to conserve our natural resources. Our future won't be easy without renewable energy, and all of our natural resources expended.
Brandon Murphy's comment,
July 9, 2012 6:43 PM
Finding new sources of renewable/sustainable energy would definitely be a lot easier if more countries were willing to work together.
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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:
Tags: climate change, environment, environment adapt, sustainability. National Geographic. 
Peter Siner's comment,
April 29, 10:53 PM
The whole debate on climate change remains a highly debated issue. It’s hard to understand why since there are loads of evidence pointing to a warming earth. However despite the views of many there is an obvious need to help in reducing the pollution and disregard for our planet. Scientist are beginning to predict drastic changes to our surrounding environment. All of these changes are causing vegetable production to decrease which has an impact on the economy as a whole.
As our production becomes limited costs go up. Starvation rates across the globe are increasing our population increases and so this poses a global threat. Soon the rate at which we consume will be limited. Also energy consumption will be limited. This too will causes prices for essentially everything we utilize to increase. The problem with people as a whole is that we look to instant gratification and we generally want to solve issues that are right in front of us while we often pay little attention to much larger, but slower moving threats. 
Brianna Simao's comment,
April 30, 10:22 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, 4:04 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. Delete the scoop?
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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. Delete the scoop?
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Envisioning the urban skyscraper of 2050 
Alexandra Piggott's curator insight,
February 24, 12:50 AM
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? Delete the scoop?
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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. Delete the scoop?
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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. 
Teresa Gallego Navarro's curator insight,
December 18, 2012 9:50 PM
The best energy is the one we don´t consumpt!! Delete the scoop?
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TED Talks As Vicki Arroyo says, it's time to prepare our homes and cities for our changing climate, with its increased risk of flooding, drought and uncertainty. Our major cities are suceptible to environmental catastrophes for a whole host of reasons. Cities depend on a smooth of goods, money and services provided by infrastructure that we take for granted and assume will always work 24/7. Presented in the video are some ideas about how we should rethink our cities with a different ecological paradigm to protect our cities more in the future. Tags: planning, urban ecology, environment adapt, sustainability. Delete the scoop?
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TED Talks Western countries throw out nearly half of their food, not because it’s inedible -- but because it doesn’t look appealing. Tristram Stuart delves into the shocking data of wasted food, calling for a more responsible use of global resources. No one should be surprised that more developed societies are more wasteful societies. It is not just personal wasting of food at the house and restaurants that are the problem. Perfectly edible food is thrown out due to size (smaller than standards but perfectly normal), cosmetics (Bananas that are shaped 'funny') and costumer preference (discarded bread crust). This is an intriguing perpective on our consumptive culture, but it also is helpful in framing issues such as sustainability and human and environmental interactions in a technologically advanced societies that are often removed form the land where the food they eat originates. Tags: food, agriculture, consumption, sustainability, TED, video, unit 5 agriculture. Delete the scoop?
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Our modern society depends on greater connectivity between places. Regionalized economies, politics and transportation networks are increasingly integrated with far-flung places now more than ever before. Our biosphere and natural environments are exceptions to this pattern. Wilderness areas are 'islands' in an ocean of human controlled environments. We create transportation linkages that unite people economies and cities, but separate herds from there extended habitat. We've all seen road kill on major highways. Species like deer, elk, and grizzly bears and other large-bodied animals need a wide range for numerous ecological reasons. These bridges are an attempt to ameliorate some of the problems that our roads pose for the non-human species that still call Earth home. From a purely economic standpoint, many argue that these bridges save society money given the accidents and property damage that can be avoided. UPDATE: This is a hilarious/painful video of a woman who clearly doesn't understand these principles. Tags: biogeography, transportation, environment, land use, sustainability, environment adapt. 
Matt A.'s comment,
April 16, 9:39 AM
The reason why there are these bridges is because of societies care for wildlife. These bridges allow the animals cross the highways without danger of being hit. Also, it helps drivers because there is a less of a chance of hitting a deer and causing a fatal accident for the driver. It is connected to people and their care for nature and the environment. These highways have caused destruction to ecosystems whether intentional or not and these bridges are ways to accommodate to the needs of the animals.
Kimberly Hordern's comment,
April 25, 5:32 PM
I think these bridges are a great addition to the world's highway system. Humans have altered the physical environment in some places to the point where there is nothing left. These bridges for the animals are a way of giving back to the environment. Looking at the economic aspect of it also I agree with Matt by saying in the long run these bridges will help save money on expensive road repairs or clean up after accidents caused by animals trying to cross the dangerous highways.
John Peterson's comment,
April 30, 10:40 AM
The concept of wildlife overpasses being put to use is a very intriguing one, which is also very beneficial to the animals and to society. Because of the existence of these overpasses animals are able to safely cross highways and roads without the dangers of being hit. This is also beneficial for society because it greatly cuts down on the amount of accidents as a result of trying to avoid hitting animals, or by hitting them. It is important for people to realize that the application of these overpasses is not only important for animal life, but for society in these areas as a whole. This practice is also a very good way to help to limit the damage that is being done to the environment in some areas by replanting some trees and vegetation, or in some cases simply building roads under these already existing areas. These practices help the wildlife that is present, as well as the ecosystem of the area as a whole.
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After making an infographic depicting how much space would be needed to house the entire world’s population based on the densities of various global cities, Tim De Chant of Per Square Mile got to thinking about the land resources it takes to support those same cities. Tags: consumption, development, resources, energy, density, sustainability. 
Michelle Carvajal's comment,
September 18, 2012 6:23 PM
Its very interesting that the United Arab Emirates would need more land mass than lets say China and the US. I guess what I'm trying to say is that the common misconception of people is that China has the greatest population. I definetely will rescoop this because people could actually see how hard it must be to house people who in essence would need all this land mass to live comfortably.
Thomas D's comment,
April 22, 4:13 PM
I thought that this was a very interesting graph and article to read. It shows that if the rest of the world lived like us Americans we would need four times the world’s surface, which is pretty substantial to think about. Although the United Arab Emirates is the leading this graph it’s hard to believe that America is in second. This goes to show that our way of living is out of hand, that the only reason we haven’t consumed everything is because the rest of the world is living of more reasonable amounts of resources or no resources at all. That we need to be as a country more conservative of our resources before we have to rely even more heavily than we already do on other countries. I was surprised to see that India has such a small percentage of resource consummation considering it is such a highly populated country.
Brianna Simao's comment,
April 30, 10:23 PM
Countries with a more advanced and urbanized way of life clearly would need more space to survive but if everyone lived like these more developed countries then natural selection dies and survival of the fittest takes over. Eventually all the natural resources would be used up. If they all continued to use the same amount and reproduce then the fertility rate would rapidly increase making the area overpopulated and the quality of life decreased. It is a good thing the entire world lives differently and has a diverse ecological footprint because it creates a balance in the world. As one country’s consumption is out of control another is holding down the fort because they lice more reasonably. It is interesting to see that even though China and India have the largest populations they don’t consume as many resources as the United States and the United Arab Emirates.
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mixed used train-tracks/market place...
I've used similar videos in my classes and students are usually quite shocked to see how a city like Bangkok, Thailand operates. I've used this as a 'hook' for lessons of population growth, urbanization, economic development, sustainability, megacities and city planning. Delete the scoop?
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TED Talks 400 years after Hudson found New York harbor, Eric Sanderson shares how he made a 3D map of Mannahatta's fascinating pre-city ecology of hills, rivers, wildlife -- accurate down to the block -- when Times Square was a wetland and you...
KC: The Manhattan Project created a picture of the area before the development of a city, the way Henry Hudson did during his 1609 exploration. After 10 years (1999-2009), the research project has expanded to study the entire city of New York. The Welikia Project analyzes geography and landscape ecology to discover the original environment and compare it to present day. Scientists have learned that world's largest cities once had a natural landscape of freshwater wetlands and salt marshes, ponds and streams, forests and fields with an equally diverse wildlife community. By focusing on the city's biodiversity of 400 years ago and the modern era, information can be gathered about what has changed, what has remained constant, where the city was done well and where it needs to improve. This source is useful because it allows for the visualization of NYC in a way never seen before. Urban environments, such as NYC, have a landscape largely created by humans, so the skyscrapers, pavement, and mass population is far removed from the landscape it once was.
Find more information about the Welikia Project and more on New York City's urban ecology on this scoop.it topic. Via Kate C 
Kim Vignale's comment,
August 12, 2012 2:03 PM
I was surprised on how green NYC is because of all the cars and urban development. I think this project topic is very informative and interesting (makes me want to got to NYC) . I thought it was very interesting how NYC was in the early 1900s and how it became now. I also think it's a great idea how adding more greenery to the urban city will add sort of a rural feel to a big city.
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Steel is strong, versatile and 100% recyclable. Learn how old steel shipping containers are given a new lease on life as liveable spaces.
Reusing resources is a critical part of sustainability. This video looks at the recycling of steel including the creating of container homes. Delete the scoop?
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Not only is the ocean full of diverse wildlife but the fact they have been able to camoflouge with their enviroment is amazing. Australia seems to be the home of many different types of wildlife on land and in the ocean. It would be interesting if there could be a google earth view of australias coral reefs and wildlife. - M. Carvajal
The diversity in the ocean is amazing. The sharks are just beautiful and it is amazing the can blend in with their enviroment