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Neil Winward's avatar

This article is a great example of why this subject doesn’t get properly covered in the MSM: it is detailed, thoughtful and data rich. The kind of litigious approach pursued by those who don’t have science on their side is much more likely to be covered. It is similar to the legislative approach in Canada designed to chill debate about fossil fuels and renewables. If reason is not on your side, go hostile and start yelling.

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smopecakes's avatar

A fascinating wrinkle of Howarth's work claiming natural gas has a higher warming effect than coal is that it takes a 20 year time horizon to do it, as the methane rapidly changes into a small volume of CO2 without a very significant warming effect

According to Ted Nordhaus of the Breakthrough Institute the 'discount rate' that is implied by this choice is well north of 10%. Because the real costs of warming are expected not in the next 20 years but later in the century and into the next most analyses of future climate costs use a discount rate of 2%. The difference is hard to describe. Trump's administration used a 7% discount rate to calculate the social cost of carbon to be about ten times less than the average analysis. Howarth is so far on the spectrum towards activist and away from scientist that he uses a higher implied discount rate than that, just to score a political win against LNG export development

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