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Sustainable Energy - without the hot air



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The result of this lack of meaningful numbers and facts? We are inundated with a flood of crazy innumerate codswallop. The BBC doles out advice on how we can do our bit to save the planet - for example "switch off your mobile phone charger when it's not in use;" if anyone objects that mobile phone chargers are not actually our number one form of energy consumption, the mantra "every little helps" is wheeled out. Every little helps? A more realistic mantra is:

  For the benefit of readers who speak American, rather than English, the translation of "every little helps" into American is "every little bit helps."
if everyone does a little, we'll achieve only a little.
Companies also contribute to the daily codswallop as they tell us how wonderful they are, or how they can help us "do our bit." BP's website, for example, celebrates the reductions in carbon dioxide (CO2) pollution they hope to achieve by changing the paint used for painting BP's ships. Does anyone fall for this? Surely everyone will guess that it's not the exterior paint job, it's the stuff inside the tanker that deserves attention, if society's CO2 emissions are to be significantly cut? BP also created a web-based carbon absolution service, "targetneutral.com," which claims that they can "neutralize" all your carbon emissions, and that it "doesn't cost the earth" - indeed, that your CO2 pollution can be cleaned up for just £40 per year. How can this add up? - if the true cost of fixing climate change were £40 per person then the government could fix it with the loose change in the Chancellor's pocket!

Even more reprehensible are companies that exploit the current concern for the environment by offering "water-powered batteries," "biodegradable mobile phones," "portable arm-mounted wind-turbines," and other pointless tat.

Campaigners also mislead. People who want to promote renewables over nuclear, for example, say "offshore wind power could power all UK homes;" then they say "new nuclear power stations will do little to tackle climate change" because 10 new nuclear stations would "reduce emissions only by about 4%." This argument is misleading because the playing field is switched half-way through, from the "number of homes powered" to "reduction of emissions." The truth is that the amount of electrical power generated by the wonderful windmills that "could power all UK homes" is exactly the same as the amount that would be generated by the 10 nuclear power stations! "Powering all UK homes" accounts for just 4% of UK emissions.

Perhaps the worst offenders in the kingdom of codswallop are the people who really should know better - the media publishers who promote the codswallop - for example, New Scientist with their article about the "water-powered car."∗

  ∗ The awful details of New Scientist's "water-powered car" are discussed in this chapter's end-notes, which you can find in the book proper, or in the pdf file on the website. (Every chapter has endnotes giving references, sources, and details of arguments. To avoid distracting the reader, I won't include any more footnote marks in the text.)

In a climate where people don't understand the numbers, newspapers, campaigners, companies, and politicians can get away with murder.

We need simple numbers, and we need the numbers to be comprehensible, comparable, and memorable.

With numbers in place, we will be better placed to answer questions such as these:

  1. Can a country like Britain conceivably live on its own renewable en ergy sources?
  2. If everyone turns their thermostats one degree closer to the outside temperature, drives a smaller car, and switches off phone chargers when not in use, will an energy crisis be averted?
  3. Should the tax on transportation fuels be significantly increased? Should speed-limits on roads be halved?
  4. Is someone who advocates windmills over nuclear power stations "an enemy of the people"?
  5. If climate change is "a greater threat than terrorism," should govern ments criminalize "the glorification of travel" and pass laws against "advocating acts of consumption"?
  6. Will a switch to "advanced technologies" allow us to eliminate car bon dioxide pollution without changing our lifestyle?
  7. Should people be encouraged to eat more vegetarian food?
  8. Is the population of the earth six times too big?

 
LoveHateS
Figure 1.1. This Greenpeace leaflet arrived with my junk mail in May 2006. Do beloved windmills have the capacity to displace hated cooling towers?

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