Tag Archives: coal production

Nine Reasons Why Globalization Can’t Be Permanent

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Since the late 1990s, globalization has seemed to be the great hope for the future. Now this great hope seems to be dimming. Globalization sets up conflict in the area of jobs. Countries around the world compete for development and jobs. If there is not enough cheap-to-produce energy to go around, huge wage disparity is likely to result.

We know from physics and history that economies need to grow, or they collapse. The wage disparity that high-wage countries have been experiencing in recent years is evidence that the world economy is already reaching energy limits. There are no longer enough jobs that pay well to go around. Any drop in energy supply is likely to worsen the job situation.

Most observers miss this problem, because they expect high oil prices to signal energy limits. This time, the signal is low wages for a significant group of workers, rather than high oil prices. This situation is possible in a networked economy, but it is not what most people look for.

Unhappy citizens can be expected to react to the wage disparity problem by electing leaders who favor limits to globalization. This can only play out in terms of reduced globalization.

History and physics suggest that economies without adequate energy supply can be expected to collapse. We have several recent examples of partial collapses, including the Great Depression of the 1930s and the collapse of the Soviet Union. Such collapses, or even more extensive collapses, might occur again if we cannot find energy alternatives that can be quickly scaled up to replace oil and coal in the very near term. These replacements need to be cheap-to-produce, non-polluting, and available in huge quantities.

The story that the economy doesn’t really need a growing supply of very cheap-to-produce energy is simply a myth. Let’s look at some of the pieces of this story. Continue reading →

The Depression of the 1930s Was an Energy Crisis

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Economists, including Ben Bernanke, give all kinds of reasons for the Great Depression of the 1930s. But what if the real reason for the Great Depression was an energy crisis?

When I put together a chart of per capita energy consumption since 1820 for a post back in 2012, there was a strange “flat spot” in the period between 1920 and 1940. When we look at the underlying data, we see that coal production was starting to decline in some of the major coal producing parts of the world at that time. From the point of view of people living at the time, the situation might have looked very much like peak energy consumption, at least on a per capita basis.

Figure 1. World Energy Consumption by Source, based on Vaclav Smil estimates from Energy Transitions: History, Requirements and Prospects (Appendix) together with BP Statistical Data for 1965 and subsequent, divided by population estimates by Angus Maddison.

Even back in the 1820 to 1900 period, world per capita energy had gradually risen as an increasing amount of coal was used. We know that going back a very long time, the use of water and wind had never amounted to very much (Figure 2) compared to burned biomass and coal, in terms of energy produced. Humans and draft animals were also relatively low in energy production. Because of its great heat-producing ability, coal quickly became the dominant fuel.

Figure 2. Annual energy consumption per head (megajoules) in England and Wales during the period 1561-70 to 1850-9 and in Italy from 1861-70. Figure by Wrigley

In general, we know that energy products, including coal, are necessary to enable processes that contribute to economic growth. Heat is needed for almost all industrial processes. Transportation needs energy products of one kind or another. Building roads and homes requires energy products. It is not surprising that the Industrial Revolution began in Britain, with its use of coal.

We also know that there is a long-term correlation between world GDP growth and energy consumption.

Figure 3. X-Y graph of world energy consumption (from BP Statistical Review of World Energy, 2017) versus world GDP in 2010 US$, from World Bank.

The “flat period” in 1920-1940 in Figure 1 was likely problematic. The economy is a self-organized networked system; what was wrong could be expected to appear in many parts of the economy. Economic growth was likely far too low. The chance for conflict among nations was much higher because of stresses in the system–there was not really enough coal to go around. These stresses could extend to the period immediately before 1920 and after 1940, as well.

Continue reading →