Two eminent climate scientists discuss the policy debate. Their clash tells us much.

Model of a hurricane.

Summary: The climate policy debate heats up, as seen in this exchange between two climate scientists sparked by last week's House hearing about climate change. It illuminates the areas of agreement and debate among scientists, which is an important aspect of the policy debate -- but seldom mentioned by journalists. The stars have aligned for … Continue reading Two eminent climate scientists discuss the policy debate. Their clash tells us much.

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Professor Michael Mann destroys the case for action on climate change

House Committee on Science Space and Technology

Summary: The House Science committee heard from three climate scientists. The testimony of the activist, Michael Mann, destroyed the case for strong public policy action to fight climate change. He deserves attention. Sadly, the attention has been on the least important parts of his testimony. “It is extremely likely (95 – 100% certain) that human activities … Continue reading Professor Michael Mann destroys the case for action on climate change

An example of climate activists at work that shows why they lost

Climate Apocalypse

Summary: Here is a first-person account of a small but telling incident in the climate policy wars, showing how the methods used by climate activists won battles, but lost the war. Their political power could destroy opponents, but doing so did not convince a majority of the US public. Now Republican gains have closed the … Continue reading An example of climate activists at work that shows why they lost

An eminent climate scientist describes the frontiers of climate science

Summary: Here is a status report on climate science by an eminent climate scientists, helping us see its frontiers and so better cope with one of the major challenges of the 21st century. (Second of two posts today.) "A new paradigm for assessing the role of humanity in the climate system -- and in climate … Continue reading An eminent climate scientist describes the frontiers of climate science

A whistleblower challenges NOAA’s climate data

Summary: An insider at NOAA has blown the whistle on improper practices at NOAA. This might be the most serious challenge to practices at the major climate science institutions since release of the "Climategate" emails. This occurs when they are vulnerable to scrutiny and pressure from Team Trump. The broad significance of Bates' claims remains unclear, … Continue reading A whistleblower challenges NOAA’s climate data

Disturbing research about the use of “narratives” in climate science papers

Summary: A new paper provides valuable information about climate science -- evidence of the politicization that helped collapse the public policy debate. The authors conclude that narratives are "used to positive effect" in peer-reviewed papers. It puts science on the slippery slope to becoming propaganda (or, in today's jargon, "fake news"). Scientists achieve career success but destroy the … Continue reading Disturbing research about the use of “narratives” in climate science papers

Paul Krugman explains how to break the climate policy deadlock

Paul Krugman -- Nobel Laureate economist, #5 on Prospect magazine’s 2015 list of the world’s top “thinkers” --  gives us powerful advice about the climate policy debate in his August 12 NYT op-ed (similar to this from a February column). Here’s how I would approach the issue: by asking how we know that a modeling … Continue reading Paul Krugman explains how to break the climate policy deadlock