Obsolete Climate Science on CO2

A must read: Obsolete Climate Science on CO2

The incoming Trump administration has promised dramatic transformations on many vital domestic issues. The best gauge of this development is the fierce level of opposition his policies have generated from Democratic stalwarts. One representative screed is a New York Times Op-Ed (external - login to view) by Professors Michael Greenstone and Cass Sunstein, who lecture the incoming president on climate change: “Donald Trump Should Know: This is What Climate Change Costs Us.”

Greenstone and Sunstein have a large stake in the game: During their years in the first Obama administration, they convened an interagency working group (IWG) drawn from various federal agencies that determined that the social cost of carbon (SCC)—or the marginal cost of the release of a ton of carbon into the atmosphere—should be estimated at about $36 per ton (as of 2015). Choose that number and there is much justification for taking major policy steps to curb the emission of carbon dioxide. Greenstone and Sunstein hoped that the working group process would draw on the “latest research in science and economics,” and establish the claimed costs by “accounting for the destruction of property from storms and floods, declining agricultural and labor productivity, elevated mortality rates and more.”

Their effort should be dismissed as a rousing failure, and as an affront to the scientific method that they purport to adopt in their studies. The first error is one of approach. The worst way to get a full exchange of views on the complex matter of global warming is to pack the IWG entirely with members from the Obama administration, all surely preselected in part because they share the president’s exaggerated concerns (external - login to view) with the problem of global warming. The only way to get a full and accurate picture of the situation is to listen to dissenters on global warming as well as advocates, which was never done. After all, who should listen to a “denier”?

This dismissive attitude is fatal to independent inquiry. No matter how many times the president claims the science is rock-solid, the wealth of recent evidence gives rise to a very different picture that undercuts the inordinate pessimism about climate change that was in vogue about 10 years ago. The group convened in the Obama administration never examined, let alone refuted, the accumulation of evidence on the other side. Indeed, virtually all of its reports are remarkable for the refusal to address any of the data at all. Instead, the common theme is to refer to models developed by others as the solid foundation for the group’s own work, without questioning a word of what those models say.

The second major mistake in the government studies is the way in which they frame the social costs of carbon. As all champions of cost/benefit analysis understand, it is a mistake to look at costs in isolation from benefits, or benefits apart from costs. Yet that appears to be the approach taken in these reports. In dealing with various objections to its reports, the IWG noted in its July 2015 response that “some commenters felt that the SCC estimates should include the value to society of the goods and services whose production is associated with CO2 emissions.” Their evasive response has to be quoted in full to be believed: “Rigorous evaluation of benefits and costs is a core tenet of the rulemaking process. The IWG agrees that these are important issues that may be relevant to assessing the impacts of policies that reduce CO2 emissions. However, these issues are not relevant to the SCC itself. The SCC is an estimate of the net economic damages resulting from CO2 emissions, and therefore is used to estimate the benefit of reducing those emissions.”
Read the entire essay here (external - login to view), it is well worth your time. h/t to Dr. Judith Curry.

https://wattsupwiththat.com/2016/12/...cience-on-co2/ (external - login to view)
Being able to predict accurately what changes will happen based measured changes would eliminate needless work if the change predicted doesn't happen as predicted.
If Mexico turns green the US and Canada will be shipping the elderly and orphans south to escape the famine.
Curious Cdn
It's 32°F (0°C) at the North Pole at this very moment.

https://www.adn.com/arctic/2016/12/2...lar-ice-melts/ (external - login to view)

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