Posts Tagged ‘AGW’

The middle ground on climate policy

August 13, 2012 2 comments

Climate change makes people angry.  The left refers to skeptics as denialists, corrupt, heartless, and stupid. The right refers to activists as traitors, fools, frauds, and socialists. Discussions about global warming and climate policy hardly live up to the word “debate” and are more likely to descend quickly into name-calling and dramatic assertions of doom.

When I wrote a monograph back in 2007 looking at some details of a carbon tax, I very intentionally side-stepped the heated debate about the science and just looked at the economics. This earned me hate mail from both sides of the isle.

Compromise seems unlikely, but it is worth at least considering our options.

The key part of the policy puzzle – that often gets ignored in the climate shouting matches – is that effective mitigation can only be achieved with a strong global binding deal. Without such a deal, everything else is smoke and mirrors.

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How Gillard could improve the carbon tax

March 23, 2011 11 comments

The debate about the carbon tax is so passionate and divisive that a compromise is almost certainly out of the question. But that doesn’t mean we can’t consider the thought experiment. I am on the public record as being against Gillard’s carbon tax, but after Ross Garnaut came out recently talking about linking the carbon tax with other tax cuts I started thinking about what else could be done to make the carbon tax “less bad”. The following are the demands I would put to the government if they wanted me to consider supporting their new tax…

1. The first requirement, and non-negotiable for me, is that the tax cuts must be at least as large as the new carbon tax. I believe that the federal government is already too big, and I am very strongly opposed to any policy that would further increase the size of government. If the proponents of a carbon tax really believe that the policy is vitally important then they should be willing to offer large tax cuts, even if that means they need to cut government spending.

2. My second requirement, which is also a game breaker, is that the carbon tax must not later convert into an emissions trading system (ETS). While both will have a cost to the economy, in my opinion an ETS is worse, and is likely to be an ever-growing bureaucratic and regulatory nightmare. If there must be a price on carbon dioxide, then it should remain at a low, simple, and predictable tax.

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Questioning the climate crusade

April 25, 2010 Comments off

From the 16th to 18th of May the Heartland Institute will be hosting their 4th international conference on climate change in Chicago.

Heartland takes a position that has variously been described as “denialist”, “skeptical” or “realist”, but which I like to call “non-scared”. I say that because the conference includes science contrarians (Willie Soon, Richard Lindzen, Fred Singer, Chris Monckton), but it also includes people who accept the mainstream story of a warming planet caused by greenhouse gases (and I cautiously include myself in that category) but who nonetheless don’t believe this represents an impending catastrophe, and it certainly doesn’t justify rushing into bad public policy.

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Why I oppose the ETS proposal

February 8, 2010 Comments off

Yesterday, Malcolm Turnbull explained his reasons for supporting the ETS legislation. The ALP has jumped on the opportunity to attack the Liberals, while some Liberals have jumped on the opportunity to attack Turnbull. Just to be different, I thought I’d actually engage the ideas.

I’ll start with some points of agreement with Turnbull. I agree that the world has gotten warmer over the last 100 years (specifically between 1910-40 and 1970-2000) and that some of the latter warming is due to human emissions of greenhouse gases. I agree that if we continue to emit greenhouse gases then we can expect some continued warming into the future. And I agree that this will cause costs in some areas.

Where I disagree with Turnbull is (1) I don’t think we should exaggerate the expected net cost of global warming; (2) I do not agree that an ETS is the most market-friendly policy available; (3) I believe the long-term solution must be production-based (new technology) not consumption based (lower energy use); and (4) I don’t believe that an ETS will pass a benefit-cost analysis and therefore it shouldn’t be introduced.

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