"The graph and tables on this page attempt to show how the urban hierarchy of the United States has developed over time. The statistic used here is the population of the metropolitan area (contiguous urbanized area surrounding a central city), not the population of an individual city. Metropolitan area population is much more useful than city population as an indicator of the size and importance of a city, since the official boundaries of a city are usually arbitrary and often do not include vast suburban areas. For example, in 2000 San Antonio was the 10th largest city in the U.S., larger than Boston or San Francisco, but its Metro Area was only ranked about 30th. The same thing was happening even back in 1790: New York was the biggest single city, but Philadelphia plus its suburbs of Northern Liberties and Southwark made it the biggest metro area."
Why cities are the best cure for our planet's growing pains...
Debate the merits of this quote from Edward Glaeser: "There's no such thing as a poor urbanized country; there's no such thing as a rich rural country." Is this true? Are there exceptions? What explains these geographic patterns? Is there a causal link between urbanization and economic development?
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.
"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."
"The 2015 Global Peace Index reveals a divided world, with the most peaceful countries enjoying increasing levels of peace and prosperity, while the least peaceful countries spiral into violence and conflict. Explore the state of world peace on the interactive Global Peace Index map. www.visionofhumanity.org "
We know how to harvest potatoes and apples. There are other fruits and vegetables, however, which have natural habitats we can barely imagine. We see these items in the grocery store every day, but often we have no idea how they got there.
Welcome to your grocery-getting, cooking and eating future. You will want to get more familiar with phrases such as 'vertical farming' and 'controlled agriculture' to grasp what may be a growing force in how we produce and get our food.
"A geographic perspective is a way of looking at and understanding our world. When you view the world through the lens of geography, you are asking who, what, where, when, and how people, places, and things are distributed across the surface of the earth, and why/how they got there. In other words, it means that you are analyzing something with a geographic perspective. The understanding and use of a geographic perspective is critical for decision making skills in the 21st century. Using spatial concepts such as location, region, movement, and scale to help us understand:
Interactions - How the world worksInterconnections - How systems in our world are connected Implications - How to make well-reasoned decisions"
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