Population Growth
San Diego Looks At Density to Meet Projected Housing Demand
With population estimates adding an additional 1.2 million people to the San Diego region in the next 40 years, planners say the region will need nearly 400,000 additional housing units to meet the demand.
San Diego Union-Tribune
America's Path to 400 Million
The New York Times reviews a new book by Joel Kotkin about the role of immigration and minority populations in America.
The New York Times
The Migratory Patterns of Americans are Changing
The American Enterprise Institute looks closely at how migration patterns have changed state-by-state through the last couple of years of recession.
The American Enterprise Institute
How We Eat May Be Biggest Impact of Urbanization on Nature
This post from The Nature Conservancy examines the impact of urbanization on nature and finds that our rising food needs will be one of the most important implications.
The Nature Conservancy
Birth Rates Falling and Cities Failing
Birth rates are dropping across Europe, and some cities are on the verge of collapse because of it. Exhibit A: Hoyerswerda, Germany.
Guardian
Urban Planner: A Top Career for 2010
U.S. News and World Report has named urban planning one of its 50 top careers for 2010.
U.S. News And World Report
Russia's Population Growing for First Time Since 1995
The population of Russia is on the rise for the first time since 1995, according to Prime Minister Vladimir Putin.
BBC
The Planetizen News Brief - 12/31/09
4:31 minutes (4.14 MB)
Population growth slows in the U.S., air quality rules challenge density in California, and farmers look at Detroit as a new agricultural center -- all on this week's Planetizen News Brief, airing weekly on "Smart City". Read, listen or download.
Last Census Estimate For Decade Shows Major Migration Slowdown
The Census Bureau released its last estimates before the official 2010 count begins. They have a bearing on the Congressional reapportionment - good news for Texas, while 'less bad than expected' for the Northeast and Midwest, thanks to a recession.
The New York Times - U.S.
Census Shows Formerly Growing States Now Slowing
The economy has slowed growth to a trickle in states like Florida and Nevada, which had seen continuous growth for years.
USA Today
The Planetizen News Brief - 12/17/09
4:40 minutes (4.28 MB)
A Harvard expansion stalls out, carpoolers get tolled in San Francisco, and Philadelphia has officially grown in population -- all on this week's Planetizen News Brief, airing weekly on "Smart City". Read, listen or download.
Population Inches Up in Philadelphia
For the first time in 59 years, the population of Philadelphia increased in 2008, according to revised figures from the U.S. Census Bureau.
Plan Philly
The Planetizen News Brief - 11/26/09
4:24 minutes (4.09 MB)
The combined threat of aging infrastructure and population, the end of boomburbs, and closure on the Big Dig -- all on this week's Planetizen News Brief, airing weekly on "Smart City". Read, listen or download.
Problems Loom for Urbanizing India
Two sets of graphs from show demographic trends in India that are likely to create a heavily urbanized country. But they aren't building the infrastructure to back up the growth, according to Thomas Crampton.
Thomas Crampton
Let's Try Cap-and-Trade on Babies
Not having babies is, arguably, the most effective way of limiting one's carbon footprint. Experts discuss ways to approach this touchy subject.
Miller-McCune
Growing Pains in Afghanistan's Cities
In Afghanistan, cities are changing. More and more people are leaving behind their agricultural past for city life, and the tide of new urbanites is stressing the fabric of the city.
Forbes
Rebuilding a New Vision in New Orleans
Recovery in New Orleans doesn't just mean rebuilding the city as it was before Hurricane Katrina. Some see the process as creating an entirely new city.
The New York Times
Dwindling Resources in a World of 9 Billion
The population is expected to climb to 9 billion within the next 50 years. As a result, crucial natural resources will dwindle. This article looks at four that will be much harder to come by in the future.
Gizmag
Feeding the World in 2050
Growing populations and diminishing land will make feeding people a challenge in the near future. This piece from Popular Science looks at eight strategies to keep the world fed.
Popular Science
Ever-Growing Florida Sees Population Drop
The population of Florida has decreased by about 50,000 people between April 2008 and April 2009, according to demographers at the University of Florida.
St. Petersburg Times






















