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Lola Heavey's List: Population

  • www.unctad.org/en/docs/prebisch2009_sachs_en.pdf

    The stresses on the planet are absolutely growing, and if we don’t

    stabilize through voluntary means-- through the human population, especially in the places where it’s growing fastest, typically the poorest places in the world -- we can never win the challenge of ecological sustainability or social and economic sustainability. We cannot keep ahead of an ever-growing human population.

    • Even without climate change, population growth by itself may result in several billion more people living in areas of more limited water availability. Around one-third of today’s global population live in countries experiencing moderate to high water stress, and 1.1 billion people lack access to safe water.
    • The impacts of climate change, coupled with population growth in developing countries, will exert significant pressure for cross-border and internal population movement. There is already evidence of the pressure that an adverse climate can impose for migration.

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    • It is unrealistic in many cases to argue for no population growth at all, certainly in the short run.

      However there is a rate of increase, varying with circumstance, above which key development goals of poverty alleviation, per capita productivity and investment in healthcare and education become significantly compromised.

      The economy at local level is unable to support such increase, with high resultant unemployment, emigration to towns, urban deprivation and breakdown of traditional community structures. At the same time, there is a strong correlation between large average family size and instance of poverty.

      An equally relevant aspect of the population growth factor, requiring clearer definition, relates to its impact on sustainability in a finite physical environment by contributing to degradation of land, pollution and loss of biodiversity.

    • Highlighting the links between population increase and climate change has emerged as a key area of activity for PSN.
    • When we look at population on a global scale, we’re seeing an increase of about 78 million people every year, a pretty substantial number.
    • We know from studies that women are disproportionately vulnerable to climate change in the developing world. The kinds of shifting temperatures and precipitation patterns that we are seeing with climate change have significant effects on water supplies and agricultural production. Women have to walk farther to get water, for instance. They’re more likely to go hungry because, when food is limited, they will feed their family first and themselves last. Addressing a woman’s needs for reproductive health and family planning enables her to make decisions about the number and spacing of her children. It gives a woman greater control over the natural resources and financial resources in her life. It contributes to her family’s ability to survive the impact of climate change.

       

      Demographers at the United Nations tell us that world population, 6.8 billion people today, could grow to 9.2 billion by 2050. That’s actually a middle-range projection. It could be as high as 10.5 billion or as low as 8 billion. The path of future population growth will depend in large part on the access women have to contraception. A really important part of how population is going to grow in the future is fertility, the number of children born per woman. Universal access to reproductive health and family planning is an important goal called for in the Millennium Development Goals and during the 1994 International Conference on Population and Development. What’s interesting about that medium projection is that when U.N. demographers released those projections, they made it very clear that to achieve the 9.2 billion by 2050 requires greater access to and use of family planning services around the world than we’re seeing today.

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