Combat Overpopulation Denial

    By Richard Grossman | 23 February 2019
    Population Matters

    “Most economic fallacies derive from the tendency to assume that there is a fixed pie, that one party can gain only at the expense of another.” —Milton Friedman

    I first met people who denied the population problem in 1994 at the International Conference on Population and Development.

    They supported their claim that there was no population problem with the statement that all the world’s people could fit into Texas.

    Well, they are correct, however there are problems with this contention. If everybody crowded into Texas, we would each have almost a 1,000 square feet! That’s plenty of room, wouldn’t you say?

    What about food? Where would food come from and how would it get distributed to all those people? What about drinking water? How would we stay warm in the winter? And what would happen to all the waste? Clearly people require more than just 1,000 square feet.

    How much land does each person currently use? The best way of calculating this seems to be the Ecological Footprint. The EF has been calculated for people in many countries, and combines the land needed to live on and grow our food on, the area needed to develop natural resources and the land to dispose of our waste. It is a comprehensive method of evaluating a person’s impact on Earth, although it does leave out one factor.

    The area of land in square feet, and the world population, are both very large numbers, of course. The EF only includes what is called “bioproductive” land, leaving out mountains and deserts. It turns out that an average citizen of the world is using about 291,000 square feet of land, or about 6.6 acres. This is more than 290 times the area allotted if we all squeezed into Texas! The people who deny overpopulation use an argument that is based on misinformation.

    Indeed, not only could we all not fit into Texas for any period of time, but also we don’t really fit into Earth. To be sustainable, with our current population and level of consumption, we would need 1.7 times the land area available to us. We have overdrawn on our global savings account in order to enjoy our consumptive lifestyle.

    We can already see the effects of overpopulation and overconsumption. Perhaps most evident is climate change. Land is eroding, fisheries are depleted and toxic chemicals are ubiquitous. Furthermore, we are killing off other species at terrifying rates – at least 1,000 times normal. Although the Ecological Footprint is an excellent tool for comparing what people are using with what is available, it has a major limitation. It does not leave any resources for other species.

    I haven’t read the book “Empty Planet: The Shock of Global Population Decline,” but I’ve read reviews. The authors, neither of whom is a demographer, maintain that the world is not overpopulated and, indeed, needs more people. They are concerned that the birth rate is falling more rapidly than the UN and other demographers realize. I wish they were correct, but I disagree.

    The Wall Street Journal review of the book uses the term “global population collapse” but there is little reason to believe that this will happen this century; we’re still adding 80 million people to the planet each year. The review is concerned that the growth of the economy will slow. Only a madman or an economist can believe that perpetual economic growth is possible.

    What is wrong with this book? There seem to be many errors. The authors don’t focus on sub-Saharan Africa, where the average woman still has almost five children, and parents want large families. The authors seem to ignore demographic momentum, which causes growth to continue for several decades even after a country reaches replacement family size.

    The major problem with “Empty Planet” is that nowhere in reviews I’ve read do the authors compare the resources we humans are using with what is available. The Ecological Footprint does that, and the result is not pretty. Unfortunately, that book is not alone in not considering the finiteness of our planet.

    Our global “pie” is fixed in size. We in rich countries are endangering people in other countries with our growing population and extravagant lifestyle. We are also endangering our progeny.

    Richard Grossman practiced obstetrics and gynecology in Durango. Reach him at richard@population-matters.org.

    During the formative years of the World Health Organization (WHO), broad consensus existed among United Nations member countries that overpopulation is a grave public health threat and would be a major cause of preventable death not too far in the future. One of the founding fathers of the WHO, the late Prof. Milton P. Siegel, speaks to Dr. Stephen Mumford in 1992. He explains how the Vatican successfully stymied the incorporation of family planning and birth control into official WHO policy. This video is available for public viewing for the first time. Read the full transcript of the interview here.

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