Saturday, July 17, 2010

Hybrid cars will not save us, less population will.



We are often told that one major consequence of industrialization and modernity is the resulting climate change and its deleterious effects. We are further told that if we value planet earth then we should avoid all the activities that result in a major reallocation of carbon in the world. Note that based on the first law of thermodynamics no element is ever destroyed, all what we can do is to release carbon from being locked in fossil fuels to be released as a gaseous compound in the atmosphere. Is such a minute reallocation important for the planet? If we are to recall that this planet has been hit by a meteorite travelling at a tremendous speed, has experienced a cooling process and has a tremendous capacity to adapt and heal itself. In the words of James Lovelock the earth is a “homeostatic super organism” that will constantly change and adapt as to ensure its survival. So does the planet care about our reallocating carbon or any other element for that matter? Physics and common sense tells us that the answer is an unequivocal no. But that does not mean that climate change is not the biggest challenge that humans have ever been faced with. The operative word in the previous sentence is human.

In order to fashion a real and meaningful solution to any problem requires a clear understanding of what is the problem all about. Climate change is not about maintaining a carbon balance for the sake of the earth but it is a purely anthropocentric concern about life for the human species. No one can deny that human civilization has evolved to become an evolutionary factor. A major by product of human activity is climate change which will result in putting into motion a process that many ecologists are calling the sixth extinction. Climate change combined with the growing needs for more roads, buildings, deforestation have radically changed the nature and characteristics of the habitat and thus is leading to more and more extinction.

If we do value these changes, and we should value them, then the solution is not to develop an alternative to the internal combustion engine, although that is desirable, but what is required is a recognition that the biggest threat to human civilization and biodiversity as we know it is the human species itself. The threat is not purely that of numbers, although numbers do count but it is a combination of numbers and levels of affluence. The expression I= PAT as developed by Paul Ehrlich emphasizes clearly the relationship between environmental degradation (I), pure number of humans (P), lifestyles (A) and the level of technology (T). Note that if we are to constantly seek a higher level of affluence, for a larger and larger population then the inevitable outcome is greater and greater ecological degradation.



There are a number of studies that show conclusively that the planet is already beyond its carrying capacity. A popular and easy to understand measure is the estimate of how many global acres are required to provide a particular life style. Such estimates vary from one country to the other and from one household to the other. A simple back of the envelope application of the above shows that if a Western life style is to be adopted by the 7 billion inhabitants then the resources of six planets will be required.

Sustainability is everyone’s concern, large countries, small countries, poor countries and rich countries. Since sustainability does not recognize artificial political boundaries then it must be dealt with on a global level and coordinated policies. Yale University in cooperation with Columbia University have developed a rather sophisticated Sustainability Index based on 76 variables and 21 indicators that shows a weak relationship between GDP and Sustainability Index of each of the 146 countries sin the study. For example, three of the top ten most sustainable countries are not OECD member (Uruguay, Guyana and Argentina). Other rankings that are of interest: Japan is the 30th while the US is the 45th and the UK is the 65th.

6 comments:

Sarah Dumont said...

I completely agree with this author when he states, "...what is required is a recognition that the biggest threat to human civilization and biodiversity as we know it is the human species itself."
Although this is a very scary thought to me and sometimes I wish it weren't so, this fact is inevitable and only we, as the human race, have us to blame for what is occurring in our personal environments and globally.
A sixth extinction have been predicted by ecologists, and many would like to deny that this is ever possible. But people have forgotten that the earth did indeed recuperate after the ages it has once endured. (For instance the Ice Age.)
Just as we were saying in class: SUSTAINABILITY! This should be on the forefront of everyone's mind if any good changes and progressions are going to come about for our planet. Instead of people pretending they're assisting the outcome to a healthier planet, we should realize there is no going back in the damage we have done, and the damage to come is limitless. Simple recycling a tin can is just not enough.

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