Monthly Archives: November 2013

A Confused Statistician

By Paul R. Ehrlich & Anne H. Ehrlich



Hans Rosling has been making a splash lately telling people his five pieces of good news that should “upgrade their world view” (view here).

One is that “Fast population growth is coming to an end.”  Globally, that may be true, but it is not happening soon, and it certainly isn’t true for countries like Nigeria, Zambia, or Yemen with average family sizes of five or more.  Population growth globally is projected to continue for another century, barring some enormous catastrophe.  Read the rest of this entry

Population Statistics: What should we make of them?

Paul R. EhrlichPaul pic post 8

Recently the United Nations has published a revised estimate of the size of future human populations, projecting a rise from almost 7.2 billion people now to 9.6 billion around 2050.  How seriously should we take this?  Read the rest of this entry

‘Health and development’ – An interesting Wall Street Journal article

Photo: Priyanka Parashar/Mint

Photo: Priyanka Parashar/Mint

An interesting article published in the Wall Street Journal investigates the complex health determinants that lie outside the conventional biomedical paradigm. The article looks at factors such as the effects of poor sanitation and poor government relations and their impact on health. Click here for the full article

Overpopulation and the Collapse of Civilization

Paul R. Ehrlichpic#7

A major shared goal of the Millennium Alliance for Humanity and the Biosphere (MAHB) and Sustainability Central  is reducing the odds that the “perfect storm” of environmental problems that threaten humanity will lead to a collapse of civilization.

Those threats include:  climate disruption; loss of biodiversity (and thus ecosystem services); land-use change and resulting degradation; global toxification; ocean acidification; decay of the epidemiological environment; increasing depletion of important resources; and resource wars (which could go nuclear).  Read the rest of this entry

Finding & Developing Sustainability Champions

Graham Pyke

Paul Ehrlich and Graham Pyke doing what they love

Paul Ehrlich and Dick Smith doing what they love

For humanity to be sustainable, the work of current ‘Sustainability Champions’ must be carried on by future generations. Here I address finding and developing future sustainability champions  across the primary disciplines of environment, economics, health, and social. Read the rest of this entry


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