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  • Friday Podcasts

    In Urban Planning for Climate Change, Pay Attention to Population Dynamics & Smaller Cities, Says Daniel Schensul

    November 8, 2013 By Jacob Glass
    daniel-schensul-podcast

    When it comes to coping with the effects of climate change, cities will be a crucial proving ground for adaptation efforts. Over the next few decades, the percentage of the world’s population living in urban areas is projected to increase to 67 percent – 6.3 billion people by 2050, according to the UN. But because three-quarters of the world’s major cities are located on coastlines, the growing percentage of urban residents means more people will be vulnerable to environmental stressors such as sea level rise and storm surges.

    When it comes to coping with the effects of climate change, cities will be a crucial proving ground for adaptation efforts. Over the next few decades, the percentage of the world’s population living in urban areas is projected to increase to 67 percent – 6.3 billion people by 2050, according to the UN. But because three-quarters of the world’s major cities are located on coastlines, the growing percentage of urban residents means more people will be vulnerable to environmental stressors such as sea level rise and storm surges.

    “How the world adds 2.5 billion new urban residents in the coming decades is going to shape enormously the livelihoods, the wellbeing, and the environmental security of those urban residents and indeed of our societies and our economies overall,” says the United Nations Population Fund’s Daniel Schensul in this week’s podcast.

    Urban planning for climate change tends to focus primarily on physical threats – such as flooding and water contamination – he says. But there’s a gap in the climate community’s understanding of human vulnerability. Who is most affected? Why? What financial or social conditions build or diminish adaptive capacity? To fill this gap, Schensul suggests closer attention be paid to population and socioeconomic data, much of which can be found in census and survey results.

    “The discussion around adaptation…continues even now to be oriented to ‘what’ rather than ‘who,’ to the physical environment and vulnerability and impacts therein, without always the recognition that the end we are trying to achieve is resilience, security, and well-being for people,” Schensul says. “The population perspective can really bring that. To put it very simply, knowing the size, density, composition, and characteristics of the people in exposed areas is critical for finding ways to help them adapt.”

    Schensul also cautions against paying exclusive attention to the world’s mega-cities, at the expense of smaller, less capable urban areas. With 1.9 billion people currently living in cities smaller than 500,000, these secondary and tertiary cities may in fact face greater challenges to implementing adaptation programs than their larger counterparts.

    “The majority of the population in coming decades will continue to live in cities under a million people, and these cities are precisely those that don’t necessarily have the enormous resources, the capacity, and the ability to engage with international partners to conduct international adaptation activities,” he says.

    Schensul spoke at the Wilson Center on October 2. Download his slides to follow along.

    Friday podcasts are also available for download on iTunes.

    Sources: UN Environment Program, UN-HABITAT, UN Population Division.

    Topics: adaptation, climate change, demography, economics, environment, environmental health, environmental security, flooding, Friday Podcasts, livelihoods, migration, oceans, podcast, population, risk and resilience, urbanization, water
    • zlop

      IPCC got it wrong — CO2 Cools and the Ice Age is coming

      Summing the effects of atmospheric composition.
      New Concept — Atmospheric Thermal Enhancement (ATE)
      “Greenhouse gases cool planets: Volcanos warm them”

      “Nikolov and Zeller’s ‘Unified Theory of Climate‘ …
      ATE factor is completely explained by
      variations in mean surface pressure”

    • Gibbon

      Who cares

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