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population growth

Interview: Should We Worry about a Global Population Explosion?

January 28, 2011 by the polis blog
with 1,064 views
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Sometime this year, the global population will reach 7 billion, according to United Nations estimates. Twenty-one cities now hold more than 10 million people, and many more will join their ranks by mid-century. Robert Kunzig, senior environment editor of National Geographic, shares his views on the impacts of the explosion and whether... [read more]

7 billion and counting: how will infrastructure handle it?

January 3, 2011 by Robert Stockham
with 477 views
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I have to give a shout out to Joe.My.God for sharing this video.  It really got me thinking… There are a lot of statistics in this video, and some made me ponder more heavily than others.  The one that startled me the most was the increase of population in the last decade and the projections for mid century.  We added a... [read more]

By the time I get to Arizona

February 11, 2010 by the polis blog
with 194 views
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View Larger Map Yuma, Arizona is a border city in multiple ways. Google's satellite imagery captures much of it - the line between the actual desert and the irrigated one; the wall between the actual Mexico and the former one; the space between the Golden State and the Grand Canyon state. It is a fitting place to enter the incongruity... [read more]

Reflecting national central-city trends, DC population rises while crime plummets

January 5, 2010 by Kaid Benfield
with 253 views
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New end-of-year data confirm what some of us have been reporting for a long time: central cities in the US are no longer in decline.  This is great news for the environment, since it is more evidence that sprawl is losing its hold on the American psyche. In Washington, DC, where I live, a steady trend of population growth... [read more]

Investment Themes for the Next Decade

December 28, 2009 by Chris Nelder
with 337 views
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Instead of the customary next-year outlook, I am closing out the decade that John Perry Barlow so aptly termed “The Uh-ohs” with a two-part article outlining my view of energy for the next decade. I will begin with the big themes and move on to specific fuels in Part 2 next week. What We Have Learned Except for a possible limited glut... [read more]

Engaging the Population Debate

December 17, 2009 by Josh Grigsby
with 152 views
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Source No, Virginia, there isn’t a Santa Claus. Yes, climate deniers, human industry can and does affect earth’s natural systems. And yes, growth proponents, there is such a thing as overpopulation. While I have yet to encounter anyone who disagrees with this notion when presented with a small-scale example (i.e.,only so many... [read more]

Let’s talk (carefully) about climate and population

November 18, 2009 by Marc Gunther
with 106 views
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Have you heard that we’re getting new neighbors? Demographers expect that the number of people living on earth—now about 6.8 billion—will grow to between 8 and 11 billion by 2050. Whether population tops out at the high or the low end of those projections will have a huge impact on climate change. So population control is again claiming... [read more]

The Effects of Population Growth on Land Use

November 9, 2009 by The Dirt ASLA
with 452 views
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In an article in Yale University’s Environment 360, Jonathan Foley, Director of the Institute of the Environment, University of Minnesota, argues that the global community now faces a “crisis in land use and agriculture that could undermine the health, security, and sustainability of our civilization.” While climate... [read more]