23rd August 2012
The Economist article is perceptive and well balanced. Less is good is its core thrust – less environmental regulation; less tax; less complex subsidies (cap & trade) – and this is hard to argue with. On the other hand, whilst applauding growing domestic US oil and gas production and lessening greenhouse gas emissions it slightly glosses over the obvious point that encouraging more efficient use of energy by well crafted policy is nonetheless sensible. Fossil fuels are finite and the biggest challenge bar none that the world faces over the next two centuries is how to replace fossil fuel energy – probably the main driver of the flowering of our civilisation which we have seen since 1800 – as we use up the hydrocarbon reserves laid down over 150 million years in the blink of an eyelid in geological time. The world vehicle fleet is on track to double over the next 20 years from 1 billion to 2 billion and air passenger kilometres have been doubling every 15 years since 1983 (1.3 trillion to 2.6 trillion to 5.2 trillion today). It is going to be increasingly difficult to provide the energy needed for this from fossil fuels.
I would make the following detailed comments: cap and trade and carbon capture and storage deserve to fail on grounds of complexity, expense, proneness to inefficiency and corruption but a simple carbon tax and stable, simple subsidies (eg. feed in tariffs) over long time periods can help the speedier development of renewable energy. A sensible carbon tax along with fit for purpose regulation would also give nuclear power the encouragement it much needs. To this should be added incentives for the use of more efficient transport technology and energy saving in the home. These could include tax reliefs for energy efficient vehicles or tax deductibility for expenditure on energy efficiency in the home.
The best policy mix would seek to support a scenario which recognises that the 1920-1970 50 years of cheap energy is never returning and that we need to try and manage a non-disruptive transition to a post fossil fuel world. Perhaps one where fossil fuel costs grow slowly over time – possibly a doubling in real terms every twenty or so years would do this well, as has in fact been happening since 1970 at least for oil and which the world has so far been able to cope with without too much difficulty.
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